3x^2+2.5=12.5

Solution for 3x^2+2.5=12.5 equation:

Simplifying
3x2 + 2.5 = 12.5

Reorder the terms:
2.5 + 3x2 = 12.5

Solving
2.5 + 3x2 = 12.5

Solving for variable 'x'.

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

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 3x2 = 12.5 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 3x2 = 12.5 + -2.5
3x2 = 12.5 + -2.5

Combine like terms: 12.5 + -2.5 = 10
3x2 = 10

Divide each side by '3'.
x2 = 3.333333333

Simplifying
x2 = 3.333333333

Take the square root of each side:
x = {-1.825741858, 1.825741858}