Question

by using the formula solve the equation x^2 +6x+6=0

Answer 1

Answer:

$x = - \frac{b}{a } = \frac{ - 6}{1} = - 6 \\ x = \frac{c}{a} = \frac{6}{1} = 6$

Answer 2

Answer:

x²+6x+6=0

x²+2.x.3+9-3=0

so (x+3)²-3=0

then (x+3)²=3

x+3 = 1.732

x = 1.732 - 3 = -2.732