3x^2+20=17x

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Solution for 3x^2+20=17x equation:


Simplifying
3x2 + 20 = 17x

Reorder the terms:
20 + 3x2 = 17x

Solving
20 + 3x2 = 17x

Solving for variable 'x'.

Reorder the terms:
20 + -17x + 3x2 = 17x + -17x

Combine like terms: 17x + -17x = 0
20 + -17x + 3x2 = 0

Factor a trinomial.
(5 + -3x)(4 + -1x) = 0

Subproblem 1

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 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 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Subproblem 2

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

Solution

x = {1.666666667, 4}

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