=(2x+3)(8+11x)

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Solution for =(2x+3)(8+11x) equation:


Simplifying
0 = (2x + 3)(8 + 11x)

Reorder the terms:
0 = (3 + 2x)(8 + 11x)

Multiply (3 + 2x) * (8 + 11x)
0 = (3(8 + 11x) + 2x * (8 + 11x))
0 = ((8 * 3 + 11x * 3) + 2x * (8 + 11x))
0 = ((24 + 33x) + 2x * (8 + 11x))
0 = (24 + 33x + (8 * 2x + 11x * 2x))
0 = (24 + 33x + (16x + 22x2))

Combine like terms: 33x + 16x = 49x
0 = (24 + 49x + 22x2)

Solving
0 = 24 + 49x + 22x2

Solving for variable 'x'.

Combine like terms: 0 + -24 = -24
-24 + -49x + -22x2 = 24 + 49x + 22x2 + -24 + -49x + -22x2

Reorder the terms:
-24 + -49x + -22x2 = 24 + -24 + 49x + -49x + 22x2 + -22x2

Combine like terms: 24 + -24 = 0
-24 + -49x + -22x2 = 0 + 49x + -49x + 22x2 + -22x2
-24 + -49x + -22x2 = 49x + -49x + 22x2 + -22x2

Combine like terms: 49x + -49x = 0
-24 + -49x + -22x2 = 0 + 22x2 + -22x2
-24 + -49x + -22x2 = 22x2 + -22x2

Combine like terms: 22x2 + -22x2 = 0
-24 + -49x + -22x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(24 + 49x + 22x2) = 0

Factor a trinomial.
-1((3 + 2x)(8 + 11x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(8 + 11x)' equal to zero and attempt to solve: Simplifying 8 + 11x = 0 Solving 8 + 11x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 11x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 11x = 0 + -8 11x = 0 + -8 Combine like terms: 0 + -8 = -8 11x = -8 Divide each side by '11'. x = -0.7272727273 Simplifying x = -0.7272727273

Solution

x = {-1.5, -0.7272727273}

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