(-3x)(x+4x-3x)=

Solution for (-3x)(x+4x-3x)= equation:

Simplifying
(-3x)(x + 4x + -3x) = 0

Remove parenthesis around (-3x)
-3x(x + 4x + -3x) = 0

Combine like terms: x + 4x = 5x
-3x(5x + -3x) = 0

Combine like terms: 5x + -3x = 2x
-3x(2x) = 0

Remove parenthesis around (2x)
-3x * 2x = 0

Reorder the terms for easier multiplication:
-3 * 2x * x = 0

Multiply -3 * 2
-6x * x = 0

Multiply x * x
-6x2 = 0

Solving
-6x2 = 0

Solving for variable 'x'.

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

Divide each side by '-6'.
x2 = 0

Simplifying
x2 = 0

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