99x^2-3x-42=0

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Solution for 99x^2-3x-42=0 equation:


Simplifying
99x2 + -3x + -42 = 0

Reorder the terms:
-42 + -3x + 99x2 = 0

Solving
-42 + -3x + 99x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-14 + -1x + 33x2) = 0

Factor a trinomial.
3((-7 + -11x)(2 + -3x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-7 + -11x)' equal to zero and attempt to solve: Simplifying -7 + -11x = 0 Solving -7 + -11x = 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 + -11x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -11x = 0 + 7 -11x = 0 + 7 Combine like terms: 0 + 7 = 7 -11x = 7 Divide each side by '-11'. x = -0.6363636364 Simplifying x = -0.6363636364

Subproblem 2

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Solution

x = {-0.6363636364, 0.6666666667}

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