7x(x-3)(x+2)=0

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Solution for 7x(x-3)(x+2)=0 equation:


Simplifying
7x(x + -3)(x + 2) = 0

Reorder the terms:
7x(-3 + x)(x + 2) = 0

Reorder the terms:
7x(-3 + x)(2 + x) = 0

Multiply (-3 + x) * (2 + x)
7x(-3(2 + x) + x(2 + x)) = 0
7x((2 * -3 + x * -3) + x(2 + x)) = 0
7x((-6 + -3x) + x(2 + x)) = 0
7x(-6 + -3x + (2 * x + x * x)) = 0
7x(-6 + -3x + (2x + x2)) = 0

Combine like terms: -3x + 2x = -1x
7x(-6 + -1x + x2) = 0
(-6 * 7x + -1x * 7x + x2 * 7x) = 0
(-42x + -7x2 + 7x3) = 0

Solving
-42x + -7x2 + 7x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7x'.
7x(-6 + -1x + x2) = 0

Factor a trinomial.
7x((-2 + -1x)(3 + -1x)) = 0

Ignore the factor 7.

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

Subproblem 3

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {0, -2, 3}

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