Question

find the product of (6x-7)(6x+7)​

Answer 1

Answer:

6x−7)(6x+7)

using identity(a+b)(a−b)=a

2

−b

2

(6x−7)(6x+7)=(6x)

2

−(7)

2

(6x−7)(6x+7)=36x

2

−49

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Answer 2

Answer:

by using (a+b)(a-b)= a²-b²

(6x)² - (7)²= 36x² - 49