13(13)-12(12)=x(x)

Solution for 13(13)-12(12)=x(x) equation:

Simplifying
13(13) + -12(12) = x(x)

Multiply 13 * 13
169 + -12(12) = x(x)

Multiply -12 * 12
169 + -144 = x(x)

Combine like terms: 169 + -144 = 25
25 = x(x)

Multiply x * x
25 = x2

Solving
25 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
25 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
25 + -1x2 = 0

Add '-25' to each side of the equation.
25 + -25 + -1x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -1x2 = 0 + -25
-1x2 = 0 + -25

Combine like terms: 0 + -25 = -25
-1x2 = -25

Divide each side by '-1'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}