4x*(-x)=4x^2

Solution for 4x*(-x)=4x^2 equation:

Simplifying
4x(-1x) = 4x2

Remove parenthesis around (-1x)
4x * -1x = 4x2

Reorder the terms for easier multiplication:
4 * -1x * x = 4x2

Multiply 4 * -1
-4x * x = 4x2

Multiply x * x
-4x2 = 4x2

Solving
-4x2 = 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.
-4x2 + -4x2 = 4x2 + -4x2

Combine like terms: -4x2 + -4x2 = -8x2
-8x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-8x2 = 0

Divide each side by '-8'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}