68x+4x^2=336

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Solution for 68x+4x^2=336 equation:


Simplifying
68x + 4x2 = 336

Solving
68x + 4x2 = 336

Solving for variable 'x'.

Reorder the terms:
-336 + 68x + 4x2 = 336 + -336

Combine like terms: 336 + -336 = 0
-336 + 68x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-84 + 17x + x2) = 0

Factor a trinomial.
4((-21 + -1x)(4 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-21 + -1x)' equal to zero and attempt to solve: Simplifying -21 + -1x = 0 Solving -21 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + -1x = 0 + 21 Combine like terms: -21 + 21 = 0 0 + -1x = 0 + 21 -1x = 0 + 21 Combine like terms: 0 + 21 = 21 -1x = 21 Divide each side by '-1'. x = -21 Simplifying x = -21

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-21, 4}

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