9x^2+39x^2-30=

Solution for 9x^2+39x^2-30= equation:

Simplifying
9x2 + 39x2 + -30 = 0

Reorder the terms:
-30 + 9x2 + 39x2 = 0

Combine like terms: 9x2 + 39x2 = 48x2
-30 + 48x2 = 0

Solving
-30 + 48x2 = 0

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 48x2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 48x2 = 0 + 30
48x2 = 0 + 30

Combine like terms: 0 + 30 = 30
48x2 = 30

Divide each side by '48'.
x2 = 0.625

Simplifying
x2 = 0.625

Take the square root of each side:
x = {-0.790569415, 0.790569415}