2x^2-18*x+30=2x-20

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Solution for 2x^2-18*x+30=2x-20 equation:


Simplifying
2x2 + -18x + 30 = 2x + -20

Reorder the terms:
30 + -18x + 2x2 = 2x + -20

Reorder the terms:
30 + -18x + 2x2 = -20 + 2x

Solving
30 + -18x + 2x2 = -20 + 2x

Solving for variable 'x'.

Reorder the terms:
30 + 20 + -18x + -2x + 2x2 = -20 + 2x + 20 + -2x

Combine like terms: 30 + 20 = 50
50 + -18x + -2x + 2x2 = -20 + 2x + 20 + -2x

Combine like terms: -18x + -2x = -20x
50 + -20x + 2x2 = -20 + 2x + 20 + -2x

Reorder the terms:
50 + -20x + 2x2 = -20 + 20 + 2x + -2x

Combine like terms: -20 + 20 = 0
50 + -20x + 2x2 = 0 + 2x + -2x
50 + -20x + 2x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
50 + -20x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(25 + -10x + x2) = 0

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

Solution

x = {5, 5}

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