10(x+4-9)(x-3)=8(x+3)

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Solution for 10(x+4-9)(x-3)=8(x+3) equation:


Simplifying
10(x + 4 + -9)(x + -3) = 8(x + 3)

Reorder the terms:
10(4 + -9 + x)(x + -3) = 8(x + 3)

Combine like terms: 4 + -9 = -5
10(-5 + x)(x + -3) = 8(x + 3)

Reorder the terms:
10(-5 + x)(-3 + x) = 8(x + 3)

Multiply (-5 + x) * (-3 + x)
10(-5(-3 + x) + x(-3 + x)) = 8(x + 3)
10((-3 * -5 + x * -5) + x(-3 + x)) = 8(x + 3)
10((15 + -5x) + x(-3 + x)) = 8(x + 3)
10(15 + -5x + (-3 * x + x * x)) = 8(x + 3)
10(15 + -5x + (-3x + x2)) = 8(x + 3)

Combine like terms: -5x + -3x = -8x
10(15 + -8x + x2) = 8(x + 3)
(15 * 10 + -8x * 10 + x2 * 10) = 8(x + 3)
(150 + -80x + 10x2) = 8(x + 3)

Reorder the terms:
150 + -80x + 10x2 = 8(3 + x)
150 + -80x + 10x2 = (3 * 8 + x * 8)
150 + -80x + 10x2 = (24 + 8x)

Solving
150 + -80x + 10x2 = 24 + 8x

Solving for variable 'x'.

Reorder the terms:
150 + -24 + -80x + -8x + 10x2 = 24 + 8x + -24 + -8x

Combine like terms: 150 + -24 = 126
126 + -80x + -8x + 10x2 = 24 + 8x + -24 + -8x

Combine like terms: -80x + -8x = -88x
126 + -88x + 10x2 = 24 + 8x + -24 + -8x

Reorder the terms:
126 + -88x + 10x2 = 24 + -24 + 8x + -8x

Combine like terms: 24 + -24 = 0
126 + -88x + 10x2 = 0 + 8x + -8x
126 + -88x + 10x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
126 + -88x + 10x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(63 + -44x + 5x2) = 0

Factor a trinomial.
2((9 + -5x)(7 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(9 + -5x)' equal to zero and attempt to solve: Simplifying 9 + -5x = 0 Solving 9 + -5x = 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 + -5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5x = 0 + -9 -5x = 0 + -9 Combine like terms: 0 + -9 = -9 -5x = -9 Divide each side by '-5'. x = 1.8 Simplifying x = 1.8

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {1.8, 7}

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