=3x^2-18x-48

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Solution for =3x^2-18x-48 equation:


Simplifying
0 = 3x2 + -18x + -48

Reorder the terms:
0 = -48 + -18x + 3x2

Solving
0 = -48 + -18x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + 48 = 48
48 + 18x + -3x2 = -48 + -18x + 3x2 + 48 + 18x + -3x2

Reorder the terms:
48 + 18x + -3x2 = -48 + 48 + -18x + 18x + 3x2 + -3x2

Combine like terms: -48 + 48 = 0
48 + 18x + -3x2 = 0 + -18x + 18x + 3x2 + -3x2
48 + 18x + -3x2 = -18x + 18x + 3x2 + -3x2

Combine like terms: -18x + 18x = 0
48 + 18x + -3x2 = 0 + 3x2 + -3x2
48 + 18x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
48 + 18x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(16 + 6x + -1x2) = 0

Factor a trinomial.
3((8 + -1x)(2 + x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {8, -2}

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