6(x+9)(x+9)-23(x+9)=4

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Solution for 6(x+9)(x+9)-23(x+9)=4 equation:


Simplifying
6(x + 9)(x + 9) + -23(x + 9) = 4

Reorder the terms:
6(9 + x)(x + 9) + -23(x + 9) = 4

Reorder the terms:
6(9 + x)(9 + x) + -23(x + 9) = 4

Multiply (9 + x) * (9 + x)
6(9(9 + x) + x(9 + x)) + -23(x + 9) = 4
6((9 * 9 + x * 9) + x(9 + x)) + -23(x + 9) = 4
6((81 + 9x) + x(9 + x)) + -23(x + 9) = 4
6(81 + 9x + (9 * x + x * x)) + -23(x + 9) = 4
6(81 + 9x + (9x + x2)) + -23(x + 9) = 4

Combine like terms: 9x + 9x = 18x
6(81 + 18x + x2) + -23(x + 9) = 4
(81 * 6 + 18x * 6 + x2 * 6) + -23(x + 9) = 4
(486 + 108x + 6x2) + -23(x + 9) = 4

Reorder the terms:
486 + 108x + 6x2 + -23(9 + x) = 4
486 + 108x + 6x2 + (9 * -23 + x * -23) = 4
486 + 108x + 6x2 + (-207 + -23x) = 4

Reorder the terms:
486 + -207 + 108x + -23x + 6x2 = 4

Combine like terms: 486 + -207 = 279
279 + 108x + -23x + 6x2 = 4

Combine like terms: 108x + -23x = 85x
279 + 85x + 6x2 = 4

Solving
279 + 85x + 6x2 = 4

Solving for variable 'x'.

Reorder the terms:
279 + -4 + 85x + 6x2 = 4 + -4

Combine like terms: 279 + -4 = 275
275 + 85x + 6x2 = 4 + -4

Combine like terms: 4 + -4 = 0
275 + 85x + 6x2 = 0

Factor a trinomial.
(55 + 6x)(5 + x) = 0

Subproblem 1

Set the factor '(55 + 6x)' equal to zero and attempt to solve: Simplifying 55 + 6x = 0 Solving 55 + 6x = 0 Move all terms containing x to the left, all other terms to the right. Add '-55' to each side of the equation. 55 + -55 + 6x = 0 + -55 Combine like terms: 55 + -55 = 0 0 + 6x = 0 + -55 6x = 0 + -55 Combine like terms: 0 + -55 = -55 6x = -55 Divide each side by '6'. x = -9.166666667 Simplifying x = -9.166666667

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {-9.166666667, -5}

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