80x-3x^2=325

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Solution for 80x-3x^2=325 equation:


Simplifying
80x + -3x2 = 325

Solving
80x + -3x2 = 325

Solving for variable 'x'.

Reorder the terms:
-325 + 80x + -3x2 = 325 + -325

Combine like terms: 325 + -325 = 0
-325 + 80x + -3x2 = 0

Factor a trinomial.
(-65 + 3x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-65 + 3x)' equal to zero and attempt to solve: Simplifying -65 + 3x = 0 Solving -65 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '65' to each side of the equation. -65 + 65 + 3x = 0 + 65 Combine like terms: -65 + 65 = 0 0 + 3x = 0 + 65 3x = 0 + 65 Combine like terms: 0 + 65 = 65 3x = 65 Divide each side by '3'. x = 21.66666667 Simplifying x = 21.66666667

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {21.66666667, 5}

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