Question

Use a suitable identity to get each of the following products:

(a-7) (a+7)​

Answer 1

Answer:

BY USING THE IDENTITY

${a}^{2} - {b}^{2} = (a + b)(a - b)$

$= {a}^{2} - {7}^{2} \\ = {a}^{2} - 49$

hope it helps.....

Answer 2

Answer:

${a}^{2} - {7}^{2} \\ {a}^{2} - 49$

by using identity

${a}^{2} - {b}^{2} = (a + b)(a - b)$

hope this helps you