20x^2-48=100x

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Solution for 20x^2-48=100x equation:


Simplifying
20x2 + -48 = 100x

Reorder the terms:
-48 + 20x2 = 100x

Solving
-48 + 20x2 = 100x

Solving for variable 'x'.

Reorder the terms:
-48 + -100x + 20x2 = 100x + -100x

Combine like terms: 100x + -100x = 0
-48 + -100x + 20x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-12 + -25x + 5x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-12 + -25x + 5x2)' equal to zero and attempt to solve: Simplifying -12 + -25x + 5x2 = 0 Solving -12 + -25x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -2.4 + -5x + x2 = 0 Move the constant term to the right: Add '2.4' to each side of the equation. -2.4 + -5x + 2.4 + x2 = 0 + 2.4 Reorder the terms: -2.4 + 2.4 + -5x + x2 = 0 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + -5x + x2 = 0 + 2.4 -5x + x2 = 0 + 2.4 Combine like terms: 0 + 2.4 = 2.4 -5x + x2 = 2.4 The x term is -5x. Take half its coefficient (-2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. -5x + 6.25 + x2 = 2.4 + 6.25 Reorder the terms: 6.25 + -5x + x2 = 2.4 + 6.25 Combine like terms: 2.4 + 6.25 = 8.65 6.25 + -5x + x2 = 8.65 Factor a perfect square on the left side: (x + -2.5)(x + -2.5) = 8.65 Calculate the square root of the right side: 2.941088234 Break this problem into two subproblems by setting (x + -2.5) equal to 2.941088234 and -2.941088234.

Subproblem 1

x + -2.5 = 2.941088234 Simplifying x + -2.5 = 2.941088234 Reorder the terms: -2.5 + x = 2.941088234 Solving -2.5 + x = 2.941088234 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 2.941088234 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 2.941088234 + 2.5 x = 2.941088234 + 2.5 Combine like terms: 2.941088234 + 2.5 = 5.441088234 x = 5.441088234 Simplifying x = 5.441088234

Subproblem 2

x + -2.5 = -2.941088234 Simplifying x + -2.5 = -2.941088234 Reorder the terms: -2.5 + x = -2.941088234 Solving -2.5 + x = -2.941088234 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -2.941088234 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -2.941088234 + 2.5 x = -2.941088234 + 2.5 Combine like terms: -2.941088234 + 2.5 = -0.441088234 x = -0.441088234 Simplifying x = -0.441088234

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.441088234, -0.441088234}

Solution

x = {5.441088234, -0.441088234}

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