4x(x-6)-5x(2x+3)=-6

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Solution for 4x(x-6)-5x(2x+3)=-6 equation:


Simplifying
4x(x + -6) + -5x(2x + 3) = -6

Reorder the terms:
4x(-6 + x) + -5x(2x + 3) = -6
(-6 * 4x + x * 4x) + -5x(2x + 3) = -6
(-24x + 4x2) + -5x(2x + 3) = -6

Reorder the terms:
-24x + 4x2 + -5x(3 + 2x) = -6
-24x + 4x2 + (3 * -5x + 2x * -5x) = -6
-24x + 4x2 + (-15x + -10x2) = -6

Reorder the terms:
-24x + -15x + 4x2 + -10x2 = -6

Combine like terms: -24x + -15x = -39x
-39x + 4x2 + -10x2 = -6

Combine like terms: 4x2 + -10x2 = -6x2
-39x + -6x2 = -6

Solving
-39x + -6x2 = -6

Solving for variable 'x'.

Reorder the terms:
6 + -39x + -6x2 = -6 + 6

Combine like terms: -6 + 6 = 0
6 + -39x + -6x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(2 + -13x + -2x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(2 + -13x + -2x2)' equal to zero and attempt to solve: Simplifying 2 + -13x + -2x2 = 0 Solving 2 + -13x + -2x2 = 0 Begin completing the square. Divide all terms by -2 the coefficient of the squared term: Divide each side by '-2'. -1 + 6.5x + x2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + 6.5x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + 6.5x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 6.5x + x2 = 0 + 1 6.5x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 6.5x + x2 = 1 The x term is 6.5x. Take half its coefficient (3.25). Square it (10.5625) and add it to both sides. Add '10.5625' to each side of the equation. 6.5x + 10.5625 + x2 = 1 + 10.5625 Reorder the terms: 10.5625 + 6.5x + x2 = 1 + 10.5625 Combine like terms: 1 + 10.5625 = 11.5625 10.5625 + 6.5x + x2 = 11.5625 Factor a perfect square on the left side: (x + 3.25)(x + 3.25) = 11.5625 Calculate the square root of the right side: 3.400367627 Break this problem into two subproblems by setting (x + 3.25) equal to 3.400367627 and -3.400367627.

Subproblem 1

x + 3.25 = 3.400367627 Simplifying x + 3.25 = 3.400367627 Reorder the terms: 3.25 + x = 3.400367627 Solving 3.25 + x = 3.400367627 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.25' to each side of the equation. 3.25 + -3.25 + x = 3.400367627 + -3.25 Combine like terms: 3.25 + -3.25 = 0.00 0.00 + x = 3.400367627 + -3.25 x = 3.400367627 + -3.25 Combine like terms: 3.400367627 + -3.25 = 0.150367627 x = 0.150367627 Simplifying x = 0.150367627

Subproblem 2

x + 3.25 = -3.400367627 Simplifying x + 3.25 = -3.400367627 Reorder the terms: 3.25 + x = -3.400367627 Solving 3.25 + x = -3.400367627 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.25' to each side of the equation. 3.25 + -3.25 + x = -3.400367627 + -3.25 Combine like terms: 3.25 + -3.25 = 0.00 0.00 + x = -3.400367627 + -3.25 x = -3.400367627 + -3.25 Combine like terms: -3.400367627 + -3.25 = -6.650367627 x = -6.650367627 Simplifying x = -6.650367627

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.150367627, -6.650367627}

Solution

x = {0.150367627, -6.650367627}

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