Question

b) 4x² + 8x + 6 = 0
c) x² - 4x - 5 = 0
d) 2x² + 4x - 6 = 0
e) -x² -4x +5 = 0
f) 2x² – 5x - 7 = 0
g) x² + 2x - 3= 0 ​

Answer 1

Resposta:

b) 16+8x+6

=8x+16+6

=8x+22