3x^2+14x+15=319

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Solution for 3x^2+14x+15=319 equation:


Simplifying
3x2 + 14x + 15 = 319

Reorder the terms:
15 + 14x + 3x2 = 319

Solving
15 + 14x + 3x2 = 319

Solving for variable 'x'.

Reorder the terms:
15 + -319 + 14x + 3x2 = 319 + -319

Combine like terms: 15 + -319 = -304
-304 + 14x + 3x2 = 319 + -319

Combine like terms: 319 + -319 = 0
-304 + 14x + 3x2 = 0

Factor a trinomial.
(-38 + -3x)(8 + -1x) = 0

Subproblem 1

Set the factor '(-38 + -3x)' equal to zero and attempt to solve: Simplifying -38 + -3x = 0 Solving -38 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '38' to each side of the equation. -38 + 38 + -3x = 0 + 38 Combine like terms: -38 + 38 = 0 0 + -3x = 0 + 38 -3x = 0 + 38 Combine like terms: 0 + 38 = 38 -3x = 38 Divide each side by '-3'. x = -12.66666667 Simplifying x = -12.66666667

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-12.66666667, 8}

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