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# Multiply Polynomials

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A polynomial is the expression which is written in the combination of the different terms joined together with the + or - sign. There can be one or more terms in a polynomial. A polynomial with the one term is called a monomial, a term with two terms is called a binomial and the term with three terms is called a trinomial. A degree of the polynomial is the highest power of the variable among the all given terms in the polynomial. Let’s learn how to perform Multiplying Polynomials. For Multiplying Polynomials, we will first learn to perform multiplication of a monomial with a monomial. In this case we will multiply the numerical value of both the monomials and then we will add the powers of the variables in the two monomials. For this let us take an example: 3x^2 * 2x^4
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Multiply Polynomials
Multiply Polynomials
A polynomial is the expression which is written in the combination of the different terms joined
together with the + or - sign. There can be one or more terms in a polynomial. A polynomial with the
one term is called a monomial, a term with two terms is called a binomial and the term with three
terms is called a trinomial. A degree of the polynomial is the highest power of the variable among the
all given terms in the polynomial. Let's learn how to perform Multiplying Polynomials. For
Multiplying Polynomials, we will first learn to perform multiplication of a monomial with a
monomial. In this case we will multiply the numerical value of both the monomials and then we will
add the powers of the variables in the two monomials. For this let us take an example: 3x^2 * 2x^4
= ( 3 * 2 ) x^6 = 6 x^6
Now if we have a monomial to be multiplied by a binomial, we say that one term of the monomial will
be multiplied by the two terms of the binomial separately. It can be learned as follows : if we have to
multiply 5x * ( 4x^2 + 2x^3)
Here when we multiply, we will first multiply 5x by 4x^2 and then the same term 5x will be
multiplied by 2x^3. So we get the result as follows:
Know More About :- System of Linear Equations

Math.Edurite.com
Page : 1/3

( 5 * 4 ) x^3 + ( 5 * 2 ) x^4
= 20x^3 + 10x^4
In the same way if we have a trinomial to be multiplied with a monomial, then we will multiply all the
terms of the monomial with all the three terms of the trinomial separately and thus we get the product
of a monomial with the trinomial.It will be clear with the following example:
2x * ( 3x + 5y + 7z )
Here the term of a monomial 2x will be multiplied with each term of the trinomial and then we get :
= 2x * 3x + 2x * 5y + 2x * 7z
= 6x^2 + 10xy + 14 xz
All the terms of the above resultant expressions are unlike so they can not be summed up and thus we
get the above given expression as the product of the given trinomial a with the monomial term. Let us
take an example of multiplying the binomial with a binomial
( 2x + 3y ) * ( 3x + 5y )
Here we have two binomials ( 2x + 3y ) and ( 3x + 5y ) to be multiplied. For this we need to multiply
the term ( 3x + 5y ) first by 2x and then we will multiply ( 3x + 5y ) by 5y
So we say that we get 2x * ( 2x + 3y ) + 5y * ( 3x + 5y )
So we get 4 x^2 + 6 xy + 15 xy + 25 y ^2
Now we observe that 6xy and 15 xy are like terms so they can be added together and we get the result
as follows :
4 x^2 + 21 xy + 25 y^2

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ThankYou
Math.Edurite.Com

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Multiply Polynomials

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