0=12x^2-40x-32

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Solution for 0=12x^2-40x-32 equation:


Simplifying
0 = 12x2 + -40x + -32

Reorder the terms:
0 = -32 + -40x + 12x2

Solving
0 = -32 + -40x + 12x2

Solving for variable 'x'.

Combine like terms: 0 + 32 = 32
32 + 40x + -12x2 = -32 + -40x + 12x2 + 32 + 40x + -12x2

Reorder the terms:
32 + 40x + -12x2 = -32 + 32 + -40x + 40x + 12x2 + -12x2

Combine like terms: -32 + 32 = 0
32 + 40x + -12x2 = 0 + -40x + 40x + 12x2 + -12x2
32 + 40x + -12x2 = -40x + 40x + 12x2 + -12x2

Combine like terms: -40x + 40x = 0
32 + 40x + -12x2 = 0 + 12x2 + -12x2
32 + 40x + -12x2 = 12x2 + -12x2

Combine like terms: 12x2 + -12x2 = 0
32 + 40x + -12x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(8 + 10x + -3x2) = 0

Factor a trinomial.
4((4 + -1x)(2 + 3x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 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 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {4, -0.6666666667}

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