3x^2-7x=76

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Solution for 3x^2-7x=76 equation:


Simplifying
3x2 + -7x = 76

Reorder the terms:
-7x + 3x2 = 76

Solving
-7x + 3x2 = 76

Solving for variable 'x'.

Reorder the terms:
-76 + -7x + 3x2 = 76 + -76

Combine like terms: 76 + -76 = 0
-76 + -7x + 3x2 = 0

Factor a trinomial.
(-4 + -1x)(19 + -3x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(19 + -3x)' equal to zero and attempt to solve: Simplifying 19 + -3x = 0 Solving 19 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + -3x = 0 + -19 Combine like terms: 19 + -19 = 0 0 + -3x = 0 + -19 -3x = 0 + -19 Combine like terms: 0 + -19 = -19 -3x = -19 Divide each side by '-3'. x = 6.333333333 Simplifying x = 6.333333333

Solution

x = {-4, 6.333333333}

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