Question

Calcula: Z = (x + 2)2 + (x + 3)2 - 2x(x + 5) A) 11 B) 9 C) 16 D) 14 E) 13

Answer 1

Z= 2(x + 2) + 2(x + 3) - 2x(x + 5)

Z=2x+4+2x+6-2x²-10x

Z=-6X+10-2X²