( x + 2 )³ = x³ – 4 solve the quadratic equation by the method of perfect of the square Question ( x + 2 )³ = x³ – 4 solve the quadratic equation by the method of perfect of the square in progress 0 Math Everleigh 3 days 2021-10-11T14:16:49+00:00 2021-10-11T14:16:49+00:00 2 Answers 0 views 0

## Answers ( )

Answer:(x+1)²=-1

Step-by-step explanation:x³+6x²+12x+8=x³-4

6x²+12x+12=0

x²+2x+2=0

(x+1)²+1=0

(x+1)²=-1

Answer:x^3+6x^2+12x+8=x^3-4

6x^2+12x+12=0

x^2+2x+2=0

(x+1)^2+1=0

(x+1)^2=-1