(-3x+x)(7+-x)=

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Solution for (-3x+x)(7+-x)= equation: 


Simplifying
(-3x + x)(7 + -1x) = 0

Combine like terms: -3x + x = -2x
(-2x)(7 + -1x) = 0

Remove parenthesis around (-2x)
-2x(7 + -1x) = 0
(7 * -2x + -1x * -2x) = 0
(-14x + 2x2) = 0

Solving
-14x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-7 + x) = 0

Ignore the factor 2.

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

Subproblem 2
Set the factor '(-7 + x)' equal to zero and attempt to solve:

Simplifying
-7 + x = 0

Solving
-7 + x = 0

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

Add '7' to each side of the equation.
-7 + 7 + x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + x = 0 + 7
x = 0 + 7

Combine like terms: 0 + 7 = 7
x = 7

Simplifying
x = 7
Solution
x = {0, 7}

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