2.5=2x*2x

Solution for 2.5=2x*2x equation:

Simplifying
2.5 = 2x * 2x

Reorder the terms for easier multiplication:
2.5 = 2 * 2x * x

Multiply 2 * 2
2.5 = 4x * x

Multiply x * x
2.5 = 4x2

Solving
2.5 = 4x2

Solving for variable 'x'.

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

Add '-4x2' to each side of the equation.
2.5 + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
2.5 + -4x2 = 0

Add '-2.5' to each side of the equation.
2.5 + -2.5 + -4x2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -4x2 = 0 + -2.5
-4x2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
-4x2 = -2.5

Divide each side by '-4'.
x2 = 0.625

Simplifying
x2 = 0.625

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