(4x+3)(-4x+2)=5(4x+3)

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Solution for (4x+3)(-4x+2)=5(4x+3) equation:


Simplifying
(4x + 3)(-4x + 2) = 5(4x + 3)

Reorder the terms:
(3 + 4x)(-4x + 2) = 5(4x + 3)

Reorder the terms:
(3 + 4x)(2 + -4x) = 5(4x + 3)

Multiply (3 + 4x) * (2 + -4x)
(3(2 + -4x) + 4x * (2 + -4x)) = 5(4x + 3)
((2 * 3 + -4x * 3) + 4x * (2 + -4x)) = 5(4x + 3)
((6 + -12x) + 4x * (2 + -4x)) = 5(4x + 3)
(6 + -12x + (2 * 4x + -4x * 4x)) = 5(4x + 3)
(6 + -12x + (8x + -16x2)) = 5(4x + 3)

Combine like terms: -12x + 8x = -4x
(6 + -4x + -16x2) = 5(4x + 3)

Reorder the terms:
6 + -4x + -16x2 = 5(3 + 4x)
6 + -4x + -16x2 = (3 * 5 + 4x * 5)
6 + -4x + -16x2 = (15 + 20x)

Solving
6 + -4x + -16x2 = 15 + 20x

Solving for variable 'x'.

Reorder the terms:
6 + -15 + -4x + -20x + -16x2 = 15 + 20x + -15 + -20x

Combine like terms: 6 + -15 = -9
-9 + -4x + -20x + -16x2 = 15 + 20x + -15 + -20x

Combine like terms: -4x + -20x = -24x
-9 + -24x + -16x2 = 15 + 20x + -15 + -20x

Reorder the terms:
-9 + -24x + -16x2 = 15 + -15 + 20x + -20x

Combine like terms: 15 + -15 = 0
-9 + -24x + -16x2 = 0 + 20x + -20x
-9 + -24x + -16x2 = 20x + -20x

Combine like terms: 20x + -20x = 0
-9 + -24x + -16x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(9 + 24x + 16x2) = 0

Factor a trinomial.
-1((3 + 4x)(3 + 4x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(3 + 4x)' equal to zero and attempt to solve: Simplifying 3 + 4x = 0 Solving 3 + 4x = 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 + 4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4x = 0 + -3 4x = 0 + -3 Combine like terms: 0 + -3 = -3 4x = -3 Divide each side by '4'. x = -0.75 Simplifying x = -0.75

Subproblem 2

Set the factor '(3 + 4x)' equal to zero and attempt to solve: Simplifying 3 + 4x = 0 Solving 3 + 4x = 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 + 4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4x = 0 + -3 4x = 0 + -3 Combine like terms: 0 + -3 = -3 4x = -3 Divide each side by '4'. x = -0.75 Simplifying x = -0.75

Solution

x = {-0.75, -0.75}

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