12x^2-5x-7=

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Solution for 12x^2-5x-7= equation:


Simplifying
12x2 + -5x + -7 = 0

Reorder the terms:
-7 + -5x + 12x2 = 0

Solving
-7 + -5x + 12x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -12x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -12x)' equal to zero and attempt to solve: Simplifying -7 + -12x = 0 Solving -7 + -12x = 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 + -12x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -12x = 0 + 7 -12x = 0 + 7 Combine like terms: 0 + 7 = 7 -12x = 7 Divide each side by '-12'. x = -0.5833333333 Simplifying x = -0.5833333333

Subproblem 2

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

Solution

x = {-0.5833333333, 1}

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