15(15)=x(14x)

Solution for 15(15)=x(14x) equation:

Simplifying
15(15) = x(14x)

Multiply 15 * 15
225 = x(14x)

Remove parenthesis around (14x)
225 = x * 14x

Reorder the terms for easier multiplication:
225 = 14x * x

Multiply x * x
225 = 14x2

Solving
225 = 14x2

Solving for variable 'x'.

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

Add '-14x2' to each side of the equation.
225 + -14x2 = 14x2 + -14x2

Combine like terms: 14x2 + -14x2 = 0
225 + -14x2 = 0

Add '-225' to each side of the equation.
225 + -225 + -14x2 = 0 + -225

Combine like terms: 225 + -225 = 0
0 + -14x2 = 0 + -225
-14x2 = 0 + -225

Combine like terms: 0 + -225 = -225
-14x2 = -225

Divide each side by '-14'.
x2 = 16.07142857

Simplifying
x2 = 16.07142857

Take the square root of each side:
x = {-4.008918629, 4.008918629}