Question

find the product : (x^2 + 7) (x^2 + 7)

Answer 1

Step-by-step explanation:

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

by using identity (a+b)^2=a^2+b^2+2ab

(x^2)^2 + (7)^2 + 2× x^2× 7

x^4+49+14x^2

${x}^{4} + 49 + 14 {x}^{2}$