x(8x+9)=3x^2-3x+32

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Solution for x(8x+9)=3x^2-3x+32 equation:


Simplifying
x(8x + 9) = 3x2 + -3x + 32

Reorder the terms:
x(9 + 8x) = 3x2 + -3x + 32
(9 * x + 8x * x) = 3x2 + -3x + 32
(9x + 8x2) = 3x2 + -3x + 32

Reorder the terms:
9x + 8x2 = 32 + -3x + 3x2

Solving
9x + 8x2 = 32 + -3x + 3x2

Solving for variable 'x'.

Reorder the terms:
-32 + 9x + 3x + 8x2 + -3x2 = 32 + -3x + 3x2 + -32 + 3x + -3x2

Combine like terms: 9x + 3x = 12x
-32 + 12x + 8x2 + -3x2 = 32 + -3x + 3x2 + -32 + 3x + -3x2

Combine like terms: 8x2 + -3x2 = 5x2
-32 + 12x + 5x2 = 32 + -3x + 3x2 + -32 + 3x + -3x2

Reorder the terms:
-32 + 12x + 5x2 = 32 + -32 + -3x + 3x + 3x2 + -3x2

Combine like terms: 32 + -32 = 0
-32 + 12x + 5x2 = 0 + -3x + 3x + 3x2 + -3x2
-32 + 12x + 5x2 = -3x + 3x + 3x2 + -3x2

Combine like terms: -3x + 3x = 0
-32 + 12x + 5x2 = 0 + 3x2 + -3x2
-32 + 12x + 5x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-32 + 12x + 5x2 = 0

Factor a trinomial.
(-4 + -1x)(8 + -5x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -5x)' equal to zero and attempt to solve: Simplifying 8 + -5x = 0 Solving 8 + -5x = 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 + -5x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5x = 0 + -8 -5x = 0 + -8 Combine like terms: 0 + -8 = -8 -5x = -8 Divide each side by '-5'. x = 1.6 Simplifying x = 1.6

Solution

x = {-4, 1.6}

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