Question

Simplify f(x+8)=(x+8)^2+7(x+8)+1

Answer 1

f(x + 8) = x^2 + 23x + 121

Answer 2

f(x + 8) = x² + 23x + 121

Explanation:

f(x + 8) = (x + 8)² + 7(x + 8) + 1

f(x + 8) = x² + 16x + 64 + 7x + 56 + 1

f(x + 8) = x² + 23x + 121