4x^2-5x+9=3x+6

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Solution for 4x^2-5x+9=3x+6 equation:


Simplifying
4x2 + -5x + 9 = 3x + 6

Reorder the terms:
9 + -5x + 4x2 = 3x + 6

Reorder the terms:
9 + -5x + 4x2 = 6 + 3x

Solving
9 + -5x + 4x2 = 6 + 3x

Solving for variable 'x'.

Reorder the terms:
9 + -6 + -5x + -3x + 4x2 = 6 + 3x + -6 + -3x

Combine like terms: 9 + -6 = 3
3 + -5x + -3x + 4x2 = 6 + 3x + -6 + -3x

Combine like terms: -5x + -3x = -8x
3 + -8x + 4x2 = 6 + 3x + -6 + -3x

Reorder the terms:
3 + -8x + 4x2 = 6 + -6 + 3x + -3x

Combine like terms: 6 + -6 = 0
3 + -8x + 4x2 = 0 + 3x + -3x
3 + -8x + 4x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
3 + -8x + 4x2 = 0

Factor a trinomial.
(1 + -2x)(3 + -2x) = 0

Subproblem 1

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Subproblem 2

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Solution

x = {0.5, 1.5}

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