3x^2+72=35x

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Solution for 3x^2+72=35x equation:


Simplifying
3x2 + 72 = 35x

Reorder the terms:
72 + 3x2 = 35x

Solving
72 + 3x2 = 35x

Solving for variable 'x'.

Reorder the terms:
72 + -35x + 3x2 = 35x + -35x

Combine like terms: 35x + -35x = 0
72 + -35x + 3x2 = 0

Factor a trinomial.
(8 + -3x)(9 + -1x) = 0

Subproblem 1

Set the factor '(8 + -3x)' equal to zero and attempt to solve: Simplifying 8 + -3x = 0 Solving 8 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3x = 0 + -8 -3x = 0 + -8 Combine like terms: 0 + -8 = -8 -3x = -8 Divide each side by '-3'. x = 2.666666667 Simplifying x = 2.666666667

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {2.666666667, 9}

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