Question

qual equacao fais isso 2x2+8x+8=

Answer 1

2×2 = 4 + 8x + 8 = 0
8x = -8-4
8x = -12
x = -12/8 = -3/2

Answer 2

Delta = b²-4.a.c
Delta = 8² -4.2.8
Delta = 64 - 64 = 0

x=-b+ ou - Raiz de delta/ 2.a
x= -8+0/2.2 x'= -2 e x" = -2