-10-(3x^2-15)=

Solution for -10-(3x^2-15)= equation:

Simplifying
-10 + -1(3x2 + -15) = 0

Reorder the terms:
-10 + -1(-15 + 3x2) = 0
-10 + (-15 * -1 + 3x2 * -1) = 0
-10 + (15 + -3x2) = 0

Combine like terms: -10 + 15 = 5
5 + -3x2 = 0

Solving
5 + -3x2 = 0

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -3x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3x2 = 0 + -5
-3x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-3x2 = -5

Divide each side by '-3'.
x2 = 1.666666667

Simplifying
x2 = 1.666666667

Take the square root of each side:
x = {-1.290994449, 1.290994449}