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In order for Kevin to prove the polynomial identity (a+b)2=a2+2ab+b2, what is the first step that Kevin needs to use to rewrite (a+b)2?
A
2(a+b)

B
a2+b2

C
(a+b)(a+b)

D
(a+b)2(a+b)2

Respuesta :

Answer:

c

Step-by-step explanation:

we should first write (a+b)(a+b) and then start to calculate the terms

raphealnwobi

The first step that Kevin needs to use to rewrite (a + b)² is (a+b)(a+b)

Polynomial is an expression that involves only the operations of addition, subtraction, multiplication of variables.

Given the polynomial (a+b)²:

(a+b)²

Firstly simplify the bracket:

(a + b)(a + b)

Multiply both expressions:

a² + ab + ab + b²

Collect like terms:

a² + 2ab + b²

The first step that Kevin needs to use to rewrite (a + b)² is (a+b)(a+b)

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