2x^2-20x+50=8

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Solution for 2x^2-20x+50=8 equation:


Simplifying
2x2 + -20x + 50 = 8

Reorder the terms:
50 + -20x + 2x2 = 8

Solving
50 + -20x + 2x2 = 8

Solving for variable 'x'.

Reorder the terms:
50 + -8 + -20x + 2x2 = 8 + -8

Combine like terms: 50 + -8 = 42
42 + -20x + 2x2 = 8 + -8

Combine like terms: 8 + -8 = 0
42 + -20x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(21 + -10x + x2) = 0

Factor a trinomial.
2((3 + -1x)(7 + -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 '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {3, 7}

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