4x^2-15x+27=2x+9

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Solution for 4x^2-15x+27=2x+9 equation:


Simplifying
4x2 + -15x + 27 = 2x + 9

Reorder the terms:
27 + -15x + 4x2 = 2x + 9

Reorder the terms:
27 + -15x + 4x2 = 9 + 2x

Solving
27 + -15x + 4x2 = 9 + 2x

Solving for variable 'x'.

Reorder the terms:
27 + -9 + -15x + -2x + 4x2 = 9 + 2x + -9 + -2x

Combine like terms: 27 + -9 = 18
18 + -15x + -2x + 4x2 = 9 + 2x + -9 + -2x

Combine like terms: -15x + -2x = -17x
18 + -17x + 4x2 = 9 + 2x + -9 + -2x

Reorder the terms:
18 + -17x + 4x2 = 9 + -9 + 2x + -2x

Combine like terms: 9 + -9 = 0
18 + -17x + 4x2 = 0 + 2x + -2x
18 + -17x + 4x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
18 + -17x + 4x2 = 0

Factor a trinomial.
(2 + -1x)(9 + -4x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(9 + -4x)' equal to zero and attempt to solve: Simplifying 9 + -4x = 0 Solving 9 + -4x = 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 + -4x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4x = 0 + -9 -4x = 0 + -9 Combine like terms: 0 + -9 = -9 -4x = -9 Divide each side by '-4'. x = 2.25 Simplifying x = 2.25

Solution

x = {2, 2.25}

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