(3x^2)+2x(17-3x)=75

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Solution for (3x^2)+2x(17-3x)=75 equation:


Simplifying
(3x2) + 2x(17 + -3x) = 75
(3x2) + (17 * 2x + -3x * 2x) = 75
(3x2) + (34x + -6x2) = 75

Reorder the terms:
34x + (3x2) + -6x2 = 75

Combine like terms: (3x2) + -6x2 = -3x2
34x + -3x2 = 75

Solving
34x + -3x2 = 75

Solving for variable 'x'.

Reorder the terms:
-75 + 34x + -3x2 = 75 + -75

Combine like terms: 75 + -75 = 0
-75 + 34x + -3x2 = 0

Factor a trinomial.
(-25 + 3x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-25 + 3x)' equal to zero and attempt to solve: Simplifying -25 + 3x = 0 Solving -25 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + 3x = 0 + 25 Combine like terms: -25 + 25 = 0 0 + 3x = 0 + 25 3x = 0 + 25 Combine like terms: 0 + 25 = 25 3x = 25 Divide each side by '3'. x = 8.333333333 Simplifying x = 8.333333333

Subproblem 2

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

Solution

x = {8.333333333, 3}

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