(4x-1)(x+5)=-5

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Solution for (4x-1)(x+5)=-5 equation:


Simplifying
(4x + -1)(x + 5) = -5

Reorder the terms:
(-1 + 4x)(x + 5) = -5

Reorder the terms:
(-1 + 4x)(5 + x) = -5

Multiply (-1 + 4x) * (5 + x)
(-1(5 + x) + 4x * (5 + x)) = -5
((5 * -1 + x * -1) + 4x * (5 + x)) = -5
((-5 + -1x) + 4x * (5 + x)) = -5
(-5 + -1x + (5 * 4x + x * 4x)) = -5
(-5 + -1x + (20x + 4x2)) = -5

Combine like terms: -1x + 20x = 19x
(-5 + 19x + 4x2) = -5

Add '5' to each side of the equation.
-5 + 19x + 5 + 4x2 = -5 + 5

Reorder the terms:
-5 + 5 + 19x + 4x2 = -5 + 5

Combine like terms: -5 + 5 = 0
0 + 19x + 4x2 = -5 + 5
19x + 4x2 = -5 + 5

Combine like terms: -5 + 5 = 0
19x + 4x2 = 0

Solving
19x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(19 + 4x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(19 + 4x)' equal to zero and attempt to solve: Simplifying 19 + 4x = 0 Solving 19 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + 4x = 0 + -19 Combine like terms: 19 + -19 = 0 0 + 4x = 0 + -19 4x = 0 + -19 Combine like terms: 0 + -19 = -19 4x = -19 Divide each side by '4'. x = -4.75 Simplifying x = -4.75

Solution

x = {0, -4.75}

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