Question

Calcule
A) (x+4)^2
B) (x-4)^3

Answer 1

A)

$( x + 4 {)}^{2} = \boxed{{x}^{2} + 8x + 16 }$

B)

$(x - 4 {)}^{3} = {x}^{3} - 3 \times {x}^{2} \times 4 + 3 \times x \times {4}^{2} - {4}^{3} = \\ \boxed{{x}^{3} - 12 {x}^{2} + 48x - 64}$