Question

Multiply the (x+7) (x+7) using appropriate identities​

Answer 1

Answer:

(x+ 7)(x + 7)

= (x + 7)²

= x² + 14x + 49

[since, (a+ b)² = a² + 2ab + b²]

Hope it helps you!!

Answer 2

Step-by-step explanation:

(x+7)(x+7)

$x ^{2} + 7x + 7x + 49 \\ x ^{2} + 14x + 49 \\ x ^{2} +( 7 + 7)x+ 49 \\ x ^{2} + 7x + 7x + 49 \\ x(x + 7) + 7(x + 7) \\( x + 7)(x + 7)$

so here is the answer

i hope it helps you