5x^2-9x-3=16x-23

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Solution for 5x^2-9x-3=16x-23 equation:


Simplifying
5x2 + -9x + -3 = 16x + -23

Reorder the terms:
-3 + -9x + 5x2 = 16x + -23

Reorder the terms:
-3 + -9x + 5x2 = -23 + 16x

Solving
-3 + -9x + 5x2 = -23 + 16x

Solving for variable 'x'.

Reorder the terms:
-3 + 23 + -9x + -16x + 5x2 = -23 + 16x + 23 + -16x

Combine like terms: -3 + 23 = 20
20 + -9x + -16x + 5x2 = -23 + 16x + 23 + -16x

Combine like terms: -9x + -16x = -25x
20 + -25x + 5x2 = -23 + 16x + 23 + -16x

Reorder the terms:
20 + -25x + 5x2 = -23 + 23 + 16x + -16x

Combine like terms: -23 + 23 = 0
20 + -25x + 5x2 = 0 + 16x + -16x
20 + -25x + 5x2 = 16x + -16x

Combine like terms: 16x + -16x = 0
20 + -25x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(4 + -5x + x2) = 0

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

Ignore the factor 5.

Subproblem 1

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

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, 4}

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