3X^2=-40+23X

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Solution for 3X^2=-40+23X equation:


Simplifying
3X2 = -40 + 23X

Solving
3X2 = -40 + 23X

Solving for variable 'X'.

Reorder the terms:
40 + -23X + 3X2 = -40 + 23X + 40 + -23X

Reorder the terms:
40 + -23X + 3X2 = -40 + 40 + 23X + -23X

Combine like terms: -40 + 40 = 0
40 + -23X + 3X2 = 0 + 23X + -23X
40 + -23X + 3X2 = 23X + -23X

Combine like terms: 23X + -23X = 0
40 + -23X + 3X2 = 0

Factor a trinomial.
(8 + -3X)(5 + -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 '(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 = {2.666666667, 5}

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