7x^2+210=77x

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Solution for 7x^2+210=77x equation:


Simplifying
7x2 + 210 = 77x

Reorder the terms:
210 + 7x2 = 77x

Solving
210 + 7x2 = 77x

Solving for variable 'x'.

Reorder the terms:
210 + -77x + 7x2 = 77x + -77x

Combine like terms: 77x + -77x = 0
210 + -77x + 7x2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(30 + -11x + x2) = 0

Factor a trinomial.
7((5 + -1x)(6 + -1x)) = 0

Ignore the factor 7.

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 '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {5, 6}

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