-3(x^2-5)=-9

Solution for -3(x^2-5)=-9 equation:

Simplifying
-3(x2 + -5) = -9

Reorder the terms:
-3(-5 + x2) = -9
(-5 * -3 + x2 * -3) = -9
(15 + -3x2) = -9

Solving
15 + -3x2 = -9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15' to each side of the equation.
15 + -15 + -3x2 = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -3x2 = -9 + -15
-3x2 = -9 + -15

Combine like terms: -9 + -15 = -24
-3x2 = -24

Divide each side by '-3'.
x2 = 8

Simplifying
x2 = 8

Take the square root of each side:
x = {-2.828427125, 2.828427125}