Multiply the polynomials using the special product formulas. Express your

Carol Valentine

Carol Valentine

Answered question

2021-12-16

Multiply the polynomials using the special product formulas. Express your answer as a single polynomial in standard form.
(2x+1)3

Answer & Explanation

Anzante2m

Anzante2m

Beginner2021-12-17Added 34 answers

Step 1
Given,
A expression is (2x+1)3.
Step 2
The formula for the cube of binomial is (a+b)3=a3+3a2b+3ab2+b3.
(2x+1)3=(2x)3+3(2x)2(1)+3(2x)(1)2+(1)3
=8x3+3(4x2)+6x+1
=8x3+12x2+6x+1
Thus the polynomial is 8x3+12x2+6x+1
Karen Robbins

Karen Robbins

Beginner2021-12-18Added 49 answers

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