5*3=2x*x

Solution for 5*3=2x*x equation:

Simplifying
5 * 3 = 2x * x

Multiply 5 * 3
15 = 2x * x

Multiply x * x
15 = 2x2

Solving
15 = 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
15 + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
15 + -2x2 = 0

Add '-15' to each side of the equation.
15 + -15 + -2x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2x2 = 0 + -15
-2x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-2x2 = -15

Divide each side by '-2'.
x2 = 7.5

Simplifying
x2 = 7.5

Take the square root of each side:
x = {-2.738612788, 2.738612788}