3x^2-88x=-420

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Solution for 3x^2-88x=-420 equation:


Simplifying
3x2 + -88x = -420

Reorder the terms:
-88x + 3x2 = -420

Solving
-88x + 3x2 = -420

Solving for variable 'x'.

Reorder the terms:
420 + -88x + 3x2 = -420 + 420

Combine like terms: -420 + 420 = 0
420 + -88x + 3x2 = 0

Factor a trinomial.
(6 + -1x)(70 + -3x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(70 + -3x)' equal to zero and attempt to solve: Simplifying 70 + -3x = 0 Solving 70 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-70' to each side of the equation. 70 + -70 + -3x = 0 + -70 Combine like terms: 70 + -70 = 0 0 + -3x = 0 + -70 -3x = 0 + -70 Combine like terms: 0 + -70 = -70 -3x = -70 Divide each side by '-3'. x = 23.33333333 Simplifying x = 23.33333333

Solution

x = {6, 23.33333333}

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