Solve for x in the equation x squared + 4 x minus 4 = 8.

Step-by-step explanation:

x^2 + 4x - 4 = 8

x^2 + 4x - 4 - 8 = 0

x^2 + 4x - 12 = 0

(x + 6)(x - 2) = 0

x + 6 = 0        x - 2 = 0

x = -6             x = 2

solution is : x = -6 and x = 2

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation:

a is 8.b is 10.c is 10.5. d is -.5

step-by-step explanation:

just minus the smallest number from the biggest.