(4x+8)(5x+6)=

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Solution for (4x+8)(5x+6)= equation:


Simplifying
(4x + 8)(5x + 6) = 0

Reorder the terms:
(8 + 4x)(5x + 6) = 0

Reorder the terms:
(8 + 4x)(6 + 5x) = 0

Multiply (8 + 4x) * (6 + 5x)
(8(6 + 5x) + 4x * (6 + 5x)) = 0
((6 * 8 + 5x * 8) + 4x * (6 + 5x)) = 0
((48 + 40x) + 4x * (6 + 5x)) = 0
(48 + 40x + (6 * 4x + 5x * 4x)) = 0
(48 + 40x + (24x + 20x2)) = 0

Combine like terms: 40x + 24x = 64x
(48 + 64x + 20x2) = 0

Solving
48 + 64x + 20x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(12 + 16x + 5x2) = 0

Factor a trinomial.
4((2 + x)(6 + 5x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(6 + 5x)' equal to zero and attempt to solve: Simplifying 6 + 5x = 0 Solving 6 + 5x = 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 + 5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 5x = 0 + -6 5x = 0 + -6 Combine like terms: 0 + -6 = -6 5x = -6 Divide each side by '5'. x = -1.2 Simplifying x = -1.2

Solution

x = {-2, -1.2}

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