15x^2-100+30=0

Solution for 15x^2-100+30=0 equation:

Simplifying
15x2 + -100 + 30 = 0

Reorder the terms:
-100 + 30 + 15x2 = 0

Combine like terms: -100 + 30 = -70
-70 + 15x2 = 0

Solving
-70 + 15x2 = 0

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 15x2 = 0 + 70

Combine like terms: -70 + 70 = 0
0 + 15x2 = 0 + 70
15x2 = 0 + 70

Combine like terms: 0 + 70 = 70
15x2 = 70

Divide each side by '15'.
x2 = 4.666666667

Simplifying
x2 = 4.666666667

Take the square root of each side:
x = {-2.1602469, 2.1602469}