(-4x-3)(x+6)=0

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Solution for (-4x-3)(x+6)=0 equation:


Simplifying
(-4x + -3)(x + 6) = 0

Reorder the terms:
(-3 + -4x)(x + 6) = 0

Reorder the terms:
(-3 + -4x)(6 + x) = 0

Multiply (-3 + -4x) * (6 + x)
(-3(6 + x) + -4x * (6 + x)) = 0
((6 * -3 + x * -3) + -4x * (6 + x)) = 0
((-18 + -3x) + -4x * (6 + x)) = 0
(-18 + -3x + (6 * -4x + x * -4x)) = 0
(-18 + -3x + (-24x + -4x2)) = 0

Combine like terms: -3x + -24x = -27x
(-18 + -27x + -4x2) = 0

Solving
-18 + -27x + -4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(18 + 27x + 4x2) = 0

Factor a trinomial.
-1((6 + x)(3 + 4x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

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 = {-6, -0.75}

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