Question

( x+7 ) ( x+7 )
answer ​

Answer 1

$\bold\Solution$

(x+7) (x+7) {by using identity (a+b) ^2 = a^2 + 2ab + b^2}

(x+7)^2

(x)^2 + 2(x)(7) + (7)^2

x^2 + 14x + 49