(-2x+7)(x+2)-(10x-3)(-2x+7)=0

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Solution for (-2x+7)(x+2)-(10x-3)(-2x+7)=0 equation:


Simplifying
(-2x + 7)(x + 2) + -1(10x + -3)(-2x + 7) = 0

Reorder the terms:
(7 + -2x)(x + 2) + -1(10x + -3)(-2x + 7) = 0

Reorder the terms:
(7 + -2x)(2 + x) + -1(10x + -3)(-2x + 7) = 0

Multiply (7 + -2x) * (2 + x)
(7(2 + x) + -2x * (2 + x)) + -1(10x + -3)(-2x + 7) = 0
((2 * 7 + x * 7) + -2x * (2 + x)) + -1(10x + -3)(-2x + 7) = 0
((14 + 7x) + -2x * (2 + x)) + -1(10x + -3)(-2x + 7) = 0
(14 + 7x + (2 * -2x + x * -2x)) + -1(10x + -3)(-2x + 7) = 0
(14 + 7x + (-4x + -2x2)) + -1(10x + -3)(-2x + 7) = 0

Combine like terms: 7x + -4x = 3x
(14 + 3x + -2x2) + -1(10x + -3)(-2x + 7) = 0

Reorder the terms:
14 + 3x + -2x2 + -1(-3 + 10x)(-2x + 7) = 0

Reorder the terms:
14 + 3x + -2x2 + -1(-3 + 10x)(7 + -2x) = 0

Multiply (-3 + 10x) * (7 + -2x)
14 + 3x + -2x2 + -1(-3(7 + -2x) + 10x * (7 + -2x)) = 0
14 + 3x + -2x2 + -1((7 * -3 + -2x * -3) + 10x * (7 + -2x)) = 0
14 + 3x + -2x2 + -1((-21 + 6x) + 10x * (7 + -2x)) = 0
14 + 3x + -2x2 + -1(-21 + 6x + (7 * 10x + -2x * 10x)) = 0
14 + 3x + -2x2 + -1(-21 + 6x + (70x + -20x2)) = 0

Combine like terms: 6x + 70x = 76x
14 + 3x + -2x2 + -1(-21 + 76x + -20x2) = 0
14 + 3x + -2x2 + (-21 * -1 + 76x * -1 + -20x2 * -1) = 0
14 + 3x + -2x2 + (21 + -76x + 20x2) = 0

Reorder the terms:
14 + 21 + 3x + -76x + -2x2 + 20x2 = 0

Combine like terms: 14 + 21 = 35
35 + 3x + -76x + -2x2 + 20x2 = 0

Combine like terms: 3x + -76x = -73x
35 + -73x + -2x2 + 20x2 = 0

Combine like terms: -2x2 + 20x2 = 18x2
35 + -73x + 18x2 = 0

Solving
35 + -73x + 18x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(5 + -9x)' equal to zero and attempt to solve: Simplifying 5 + -9x = 0 Solving 5 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -9x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -9x = 0 + -5 -9x = 0 + -5 Combine like terms: 0 + -5 = -5 -9x = -5 Divide each side by '-9'. x = 0.5555555556 Simplifying x = 0.5555555556

Subproblem 2

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 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 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Solution

x = {0.5555555556, 3.5}

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