(4+х)^2-2х(2-2х) помогите пж

Question

(4+х)^2-2х(2-2х) помогите пж

Answer 1

=16 + 8x + x²- 4x + 4 x² = 5x² + 4x + 16

Answer 2

=16 + 8x + x^2- 4x + 4 x^2= 5x^2+ 4x + 16

Comments

=16 + 8x + x²- 4x + 4 x² = 5x² + 4x + 16