(4x+4)(5x-22)=180

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Solution for (4x+4)(5x-22)=180 equation:


Simplifying
(4x + 4)(5x + -22) = 180

Reorder the terms:
(4 + 4x)(5x + -22) = 180

Reorder the terms:
(4 + 4x)(-22 + 5x) = 180

Multiply (4 + 4x) * (-22 + 5x)
(4(-22 + 5x) + 4x * (-22 + 5x)) = 180
((-22 * 4 + 5x * 4) + 4x * (-22 + 5x)) = 180
((-88 + 20x) + 4x * (-22 + 5x)) = 180
(-88 + 20x + (-22 * 4x + 5x * 4x)) = 180
(-88 + 20x + (-88x + 20x2)) = 180

Combine like terms: 20x + -88x = -68x
(-88 + -68x + 20x2) = 180

Solving
-88 + -68x + 20x2 = 180

Solving for variable 'x'.

Reorder the terms:
-88 + -180 + -68x + 20x2 = 180 + -180

Combine like terms: -88 + -180 = -268
-268 + -68x + 20x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-268 + -68x + 20x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-67 + -17x + 5x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-67 + -17x + 5x2)' equal to zero and attempt to solve: Simplifying -67 + -17x + 5x2 = 0 Solving -67 + -17x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -13.4 + -3.4x + x2 = 0 Move the constant term to the right: Add '13.4' to each side of the equation. -13.4 + -3.4x + 13.4 + x2 = 0 + 13.4 Reorder the terms: -13.4 + 13.4 + -3.4x + x2 = 0 + 13.4 Combine like terms: -13.4 + 13.4 = 0.0 0.0 + -3.4x + x2 = 0 + 13.4 -3.4x + x2 = 0 + 13.4 Combine like terms: 0 + 13.4 = 13.4 -3.4x + x2 = 13.4 The x term is -3.4x. Take half its coefficient (-1.7). Square it (2.89) and add it to both sides. Add '2.89' to each side of the equation. -3.4x + 2.89 + x2 = 13.4 + 2.89 Reorder the terms: 2.89 + -3.4x + x2 = 13.4 + 2.89 Combine like terms: 13.4 + 2.89 = 16.29 2.89 + -3.4x + x2 = 16.29 Factor a perfect square on the left side: (x + -1.7)(x + -1.7) = 16.29 Calculate the square root of the right side: 4.036087214 Break this problem into two subproblems by setting (x + -1.7) equal to 4.036087214 and -4.036087214.

Subproblem 1

x + -1.7 = 4.036087214 Simplifying x + -1.7 = 4.036087214 Reorder the terms: -1.7 + x = 4.036087214 Solving -1.7 + x = 4.036087214 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.7' to each side of the equation. -1.7 + 1.7 + x = 4.036087214 + 1.7 Combine like terms: -1.7 + 1.7 = 0.0 0.0 + x = 4.036087214 + 1.7 x = 4.036087214 + 1.7 Combine like terms: 4.036087214 + 1.7 = 5.736087214 x = 5.736087214 Simplifying x = 5.736087214

Subproblem 2

x + -1.7 = -4.036087214 Simplifying x + -1.7 = -4.036087214 Reorder the terms: -1.7 + x = -4.036087214 Solving -1.7 + x = -4.036087214 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.7' to each side of the equation. -1.7 + 1.7 + x = -4.036087214 + 1.7 Combine like terms: -1.7 + 1.7 = 0.0 0.0 + x = -4.036087214 + 1.7 x = -4.036087214 + 1.7 Combine like terms: -4.036087214 + 1.7 = -2.336087214 x = -2.336087214 Simplifying x = -2.336087214

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.736087214, -2.336087214}

Solution

x = {5.736087214, -2.336087214}

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