=(3x+11)*((6x^2)+5x)

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Solution for =(3x+11)*((6x^2)+5x) equation:


Simplifying
0 = (3x + 11)((6x2) + 5x)

Reorder the terms:
0 = (11 + 3x)((6x2) + 5x)

Reorder the terms:
0 = (11 + 3x)(5x + (6x2))

Multiply (11 + 3x) * (5x + (6x2))
0 = (11(5x + (6x2)) + 3x * (5x + (6x2)))
0 = ((5x * 11 + (6x2) * 11) + 3x * (5x + (6x2)))
0 = ((55x + 66x2) + 3x * (5x + (6x2)))
0 = (55x + 66x2 + (5x * 3x + (6x2) * 3x))
0 = (55x + 66x2 + (15x2 + 18x3))

Combine like terms: 66x2 + 15x2 = 81x2
0 = (55x + 81x2 + 18x3)

Solving
0 = 55x + 81x2 + 18x3

Solving for variable 'x'.
Remove the zero:
-55x + -81x2 + -18x3 = 55x + 81x2 + 18x3 + -55x + -81x2 + -18x3

Reorder the terms:
-55x + -81x2 + -18x3 = 55x + -55x + 81x2 + -81x2 + 18x3 + -18x3

Combine like terms: 55x + -55x = 0
-55x + -81x2 + -18x3 = 0 + 81x2 + -81x2 + 18x3 + -18x3
-55x + -81x2 + -18x3 = 81x2 + -81x2 + 18x3 + -18x3

Combine like terms: 81x2 + -81x2 = 0
-55x + -81x2 + -18x3 = 0 + 18x3 + -18x3
-55x + -81x2 + -18x3 = 18x3 + -18x3

Combine like terms: 18x3 + -18x3 = 0
-55x + -81x2 + -18x3 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(55 + 81x + 18x2) = 0

Factor a trinomial.
-1x((11 + 3x)(5 + 6x)) = 0

Ignore the factor -1.

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 '(11 + 3x)' equal to zero and attempt to solve: Simplifying 11 + 3x = 0 Solving 11 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + 3x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + 3x = 0 + -11 3x = 0 + -11 Combine like terms: 0 + -11 = -11 3x = -11 Divide each side by '3'. x = -3.666666667 Simplifying x = -3.666666667

Subproblem 3

Set the factor '(5 + 6x)' equal to zero and attempt to solve: Simplifying 5 + 6x = 0 Solving 5 + 6x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 6x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 6x = 0 + -5 6x = 0 + -5 Combine like terms: 0 + -5 = -5 6x = -5 Divide each side by '6'. x = -0.8333333333 Simplifying x = -0.8333333333

Solution

x = {0, -3.666666667, -0.8333333333}

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