72x^2+12x=1200

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Solution for 72x^2+12x=1200 equation:


Simplifying
72x2 + 12x = 1200

Reorder the terms:
12x + 72x2 = 1200

Solving
12x + 72x2 = 1200

Solving for variable 'x'.

Reorder the terms:
-1200 + 12x + 72x2 = 1200 + -1200

Combine like terms: 1200 + -1200 = 0
-1200 + 12x + 72x2 = 0

Factor out the Greatest Common Factor (GCF), '12'.
12(-100 + x + 6x2) = 0

Factor a trinomial.
12((-25 + -6x)(4 + -1x)) = 0

Ignore the factor 12.

Subproblem 1

Set the factor '(-25 + -6x)' equal to zero and attempt to solve: Simplifying -25 + -6x = 0 Solving -25 + -6x = 0 Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + -6x = 0 + 25 Combine like terms: -25 + 25 = 0 0 + -6x = 0 + 25 -6x = 0 + 25 Combine like terms: 0 + 25 = 25 -6x = 25 Divide each side by '-6'. x = -4.166666667 Simplifying x = -4.166666667

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 = {-4.166666667, 4}

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