3(x^2+2x)-x(x-1)=

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Solution for 3(x^2+2x)-x(x-1)= equation:


Simplifying
3(x2 + 2x) + -1x(x + -1) = 0

Reorder the terms:
3(2x + x2) + -1x(x + -1) = 0
(2x * 3 + x2 * 3) + -1x(x + -1) = 0
(6x + 3x2) + -1x(x + -1) = 0

Reorder the terms:
6x + 3x2 + -1x(-1 + x) = 0
6x + 3x2 + (-1 * -1x + x * -1x) = 0
6x + 3x2 + (1x + -1x2) = 0

Reorder the terms:
6x + 1x + 3x2 + -1x2 = 0

Combine like terms: 6x + 1x = 7x
7x + 3x2 + -1x2 = 0

Combine like terms: 3x2 + -1x2 = 2x2
7x + 2x2 = 0

Solving
7x + 2x2 = 0

Solving for variable 'x'.

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

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 + 2x)' equal to zero and attempt to solve: Simplifying 7 + 2x = 0 Solving 7 + 2x = 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 + 2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2x = 0 + -7 2x = 0 + -7 Combine like terms: 0 + -7 = -7 2x = -7 Divide each side by '2'. x = -3.5 Simplifying x = -3.5

Solution

x = {0, -3.5}

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