5x(x-1)+x(7-3x)=

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Solution for 5x(x-1)+x(7-3x)= equation:


Simplifying
5x(x + -1) + x(7 + -3x) = 0

Reorder the terms:
5x(-1 + x) + x(7 + -3x) = 0
(-1 * 5x + x * 5x) + x(7 + -3x) = 0
(-5x + 5x2) + x(7 + -3x) = 0
-5x + 5x2 + (7 * x + -3x * x) = 0
-5x + 5x2 + (7x + -3x2) = 0

Reorder the terms:
-5x + 7x + 5x2 + -3x2 = 0

Combine like terms: -5x + 7x = 2x
2x + 5x2 + -3x2 = 0

Combine like terms: 5x2 + -3x2 = 2x2
2x + 2x2 = 0

Solving
2x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(1 + 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 '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {0, -1}

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