2x^2-11x=51

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Solution for 2x^2-11x=51 equation:


Simplifying
2x2 + -11x = 51

Reorder the terms:
-11x + 2x2 = 51

Solving
-11x + 2x2 = 51

Solving for variable 'x'.

Reorder the terms:
-51 + -11x + 2x2 = 51 + -51

Combine like terms: 51 + -51 = 0
-51 + -11x + 2x2 = 0

Factor a trinomial.
(-3 + -1x)(17 + -2x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(17 + -2x)' equal to zero and attempt to solve: Simplifying 17 + -2x = 0 Solving 17 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -2x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -2x = 0 + -17 -2x = 0 + -17 Combine like terms: 0 + -17 = -17 -2x = -17 Divide each side by '-2'. x = 8.5 Simplifying x = 8.5

Solution

x = {-3, 8.5}

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