3x^2+4x-480=0

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Solution for 3x^2+4x-480=0 equation: 


Simplifying
3x2 + 4x + -480 = 0

Reorder the terms:
-480 + 4x + 3x2 = 0

Solving
-480 + 4x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-40 + -3x)(12 + -1x) = 0


Subproblem 1
Set the factor '(-40 + -3x)' equal to zero and attempt to solve:

Simplifying
-40 + -3x = 0

Solving
-40 + -3x = 0

Move all terms containing x to the left, all other terms to the right.

Add '40' to each side of the equation.
-40 + 40 + -3x = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -3x = 0 + 40
-3x = 0 + 40

Combine like terms: 0 + 40 = 40
-3x = 40

Divide each side by '-3'.
x = -13.33333333

Simplifying
x = -13.33333333

Subproblem 2
Set the factor '(12 + -1x)' equal to zero and attempt to solve:

Simplifying
12 + -1x = 0

Solving
12 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + -12 + -1x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 0 + -12
-1x = 0 + -12

Combine like terms: 0 + -12 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12
Solution
x = {-13.33333333, 12}

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