3x^2=13x+30

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Solution for 3x^2=13x+30 equation:


Simplifying
3x2 = 13x + 30

Reorder the terms:
3x2 = 30 + 13x

Solving
3x2 = 30 + 13x

Solving for variable 'x'.

Reorder the terms:
-30 + -13x + 3x2 = 30 + 13x + -30 + -13x

Reorder the terms:
-30 + -13x + 3x2 = 30 + -30 + 13x + -13x

Combine like terms: 30 + -30 = 0
-30 + -13x + 3x2 = 0 + 13x + -13x
-30 + -13x + 3x2 = 13x + -13x

Combine like terms: 13x + -13x = 0
-30 + -13x + 3x2 = 0

Factor a trinomial.
(-5 + -3x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -3x)' equal to zero and attempt to solve: Simplifying -5 + -3x = 0 Solving -5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -3x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3x = 0 + 5 -3x = 0 + 5 Combine like terms: 0 + 5 = 5 -3x = 5 Divide each side by '-3'. x = -1.666666667 Simplifying x = -1.666666667

Subproblem 2

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

Solution

x = {-1.666666667, 6}

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