Question

Solve x2 + 4x − 4 = 0.

x equals the quantity of negative 2 plus or minus square root 16 all over 2
x equals negative 4 plus or minus square root 2
x equals negative 2 plus or minus 2 square root 2
x equals the quantity of 4 plus or minus square root 18 all over 2

Answer 1

@Nnesha

Answer 2

@dan815

Answer 3

use the quadratic formula

Answer 4

\[\huge\rm \frac{ -b \pm \sqrt{b2-4ac} }{ 2a }\] a ,b,c are \[\rm Ax^2+Bx+C=0\]
a=leading coefficient
b=middle term
c=constant
plugin

Answer 5

x² + 4x + 4 = 4 + 4
(x + 2)² = 8
√(x + 2)² = ±√8
x + 2 = ±2√2
x = -2 ± 2√2

Answer 6

looks right .......

Answer 7

ok