4x^2-56x+196=100

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Solution for 4x^2-56x+196=100 equation:


Simplifying
4x2 + -56x + 196 = 100

Reorder the terms:
196 + -56x + 4x2 = 100

Solving
196 + -56x + 4x2 = 100

Solving for variable 'x'.

Reorder the terms:
196 + -100 + -56x + 4x2 = 100 + -100

Combine like terms: 196 + -100 = 96
96 + -56x + 4x2 = 100 + -100

Combine like terms: 100 + -100 = 0
96 + -56x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(24 + -14x + x2) = 0

Factor a trinomial.
4((2 + -1x)(12 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {2, 12}

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