P(0)=-2x^2+24x-54

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Solution for P(0)=-2x^2+24x-54 equation:


Simplifying
P(0) = -2x2 + 24x + -54

Reorder the terms for easier multiplication:
0P = -2x2 + 24x + -54

Anything times zero is zero.
0P = -2x2 + 24x + -54

Reorder the terms:
0 = -54 + 24x + -2x2

Solving
0 = -54 + 24x + -2x2

Solving for variable 'x'.

Combine like terms: 0 + 54 = 54
54 + -24x + 2x2 = -54 + 24x + -2x2 + 54 + -24x + 2x2

Reorder the terms:
54 + -24x + 2x2 = -54 + 54 + 24x + -24x + -2x2 + 2x2

Combine like terms: -54 + 54 = 0
54 + -24x + 2x2 = 0 + 24x + -24x + -2x2 + 2x2
54 + -24x + 2x2 = 24x + -24x + -2x2 + 2x2

Combine like terms: 24x + -24x = 0
54 + -24x + 2x2 = 0 + -2x2 + 2x2
54 + -24x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
54 + -24x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(27 + -12x + x2) = 0

Factor a trinomial.
2((3 + -1x)(9 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {3, 9}

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