=15x^2-7

Solution for =15x^2-7 equation:

Simplifying
0 = 15x2 + -7

Reorder the terms:
0 = -7 + 15x2

Solving
0 = -7 + 15x2

Solving for variable 'x'.

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

Add '-15x2' to each side of the equation.
0 + -15x2 = -7 + 15x2 + -15x2
Remove the zero:
-15x2 = -7 + 15x2 + -15x2

Combine like terms: 15x2 + -15x2 = 0
-15x2 = -7 + 0
-15x2 = -7

Divide each side by '-15'.
x2 = 0.4666666667

Simplifying
x2 = 0.4666666667

Take the square root of each side:
x = {-0.683130051, 0.683130051}