36x^2=21+75x

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Solution for 36x^2=21+75x equation:


Simplifying
36x2 = 21 + 75x

Solving
36x2 = 21 + 75x

Solving for variable 'x'.

Reorder the terms:
-21 + -75x + 36x2 = 21 + 75x + -21 + -75x

Reorder the terms:
-21 + -75x + 36x2 = 21 + -21 + 75x + -75x

Combine like terms: 21 + -21 = 0
-21 + -75x + 36x2 = 0 + 75x + -75x
-21 + -75x + 36x2 = 75x + -75x

Combine like terms: 75x + -75x = 0
-21 + -75x + 36x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-7 + -25x + 12x2) = 0

Factor a trinomial.
3((-1 + -4x)(7 + -3x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-1 + -4x)' equal to zero and attempt to solve: Simplifying -1 + -4x = 0 Solving -1 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4x = 0 + 1 -4x = 0 + 1 Combine like terms: 0 + 1 = 1 -4x = 1 Divide each side by '-4'. x = -0.25 Simplifying x = -0.25

Subproblem 2

Set the factor '(7 + -3x)' equal to zero and attempt to solve: Simplifying 7 + -3x = 0 Solving 7 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 0 + -7 -3x = 0 + -7 Combine like terms: 0 + -7 = -7 -3x = -7 Divide each side by '-3'. x = 2.333333333 Simplifying x = 2.333333333

Solution

x = {-0.25, 2.333333333}

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