Question

a) (x+7)² b) (3a+b²) c) (a5+2) d) (5+a² )²

Answer 1

A) (x+7)² = x^2 + 14x + 49

b) (3a+b²) =  3a + b^2

c) (a5+2) = a^5 + 2

d) (5+a² )² = 25 + 10a^2 + a^4