9x^2+3=147

Solution for 9x^2+3=147 equation:

Simplifying
9x2 + 3 = 147

Reorder the terms:
3 + 9x2 = 147

Solving
3 + 9x2 = 147

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 9x2 = 147 + -3

Combine like terms: 3 + -3 = 0
0 + 9x2 = 147 + -3
9x2 = 147 + -3

Combine like terms: 147 + -3 = 144
9x2 = 144

Divide each side by '9'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}