3x^2=27x+30

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Solution for 3x^2=27x+30 equation:


Simplifying
3x2 = 27x + 30

Reorder the terms:
3x2 = 30 + 27x

Solving
3x2 = 30 + 27x

Solving for variable 'x'.

Reorder the terms:
-30 + -27x + 3x2 = 30 + 27x + -30 + -27x

Reorder the terms:
-30 + -27x + 3x2 = 30 + -30 + 27x + -27x

Combine like terms: 30 + -30 = 0
-30 + -27x + 3x2 = 0 + 27x + -27x
-30 + -27x + 3x2 = 27x + -27x

Combine like terms: 27x + -27x = 0
-30 + -27x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-10 + -9x + x2) = 0

Factor a trinomial.
3((-1 + -1x)(10 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-1, 10}

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