30x^2+12=42

Solution for 30x^2+12=42 equation:

Simplifying
30x2 + 12 = 42

Reorder the terms:
12 + 30x2 = 42

Solving
12 + 30x2 = 42

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 30x2 = 42 + -12

Combine like terms: 12 + -12 = 0
0 + 30x2 = 42 + -12
30x2 = 42 + -12

Combine like terms: 42 + -12 = 30
30x2 = 30

Divide each side by '30'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}