54x+18=8x^2+16x+8

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Solution for 54x+18=8x^2+16x+8 equation:


Simplifying
54x + 18 = 8x2 + 16x + 8

Reorder the terms:
18 + 54x = 8x2 + 16x + 8

Reorder the terms:
18 + 54x = 8 + 16x + 8x2

Solving
18 + 54x = 8 + 16x + 8x2

Solving for variable 'x'.

Reorder the terms:
18 + -8 + 54x + -16x + -8x2 = 8 + 16x + 8x2 + -8 + -16x + -8x2

Combine like terms: 18 + -8 = 10
10 + 54x + -16x + -8x2 = 8 + 16x + 8x2 + -8 + -16x + -8x2

Combine like terms: 54x + -16x = 38x
10 + 38x + -8x2 = 8 + 16x + 8x2 + -8 + -16x + -8x2

Reorder the terms:
10 + 38x + -8x2 = 8 + -8 + 16x + -16x + 8x2 + -8x2

Combine like terms: 8 + -8 = 0
10 + 38x + -8x2 = 0 + 16x + -16x + 8x2 + -8x2
10 + 38x + -8x2 = 16x + -16x + 8x2 + -8x2

Combine like terms: 16x + -16x = 0
10 + 38x + -8x2 = 0 + 8x2 + -8x2
10 + 38x + -8x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
10 + 38x + -8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + 19x + -4x2) = 0

Factor a trinomial.
2((5 + -1x)(1 + 4x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Subproblem 2

Set the factor '(1 + 4x)' equal to zero and attempt to solve: Simplifying 1 + 4x = 0 Solving 1 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4x = 0 + -1 4x = 0 + -1 Combine like terms: 0 + -1 = -1 4x = -1 Divide each side by '4'. x = -0.25 Simplifying x = -0.25

Solution

x = {5, -0.25}

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