=-5x^2+100x-250

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Solution for =-5x^2+100x-250 equation:


Simplifying
0 = -5x2 + 100x + -250

Reorder the terms:
0 = -250 + 100x + -5x2

Solving
0 = -250 + 100x + -5x2

Solving for variable 'x'.

Combine like terms: 0 + 250 = 250
250 + -100x + 5x2 = -250 + 100x + -5x2 + 250 + -100x + 5x2

Reorder the terms:
250 + -100x + 5x2 = -250 + 250 + 100x + -100x + -5x2 + 5x2

Combine like terms: -250 + 250 = 0
250 + -100x + 5x2 = 0 + 100x + -100x + -5x2 + 5x2
250 + -100x + 5x2 = 100x + -100x + -5x2 + 5x2

Combine like terms: 100x + -100x = 0
250 + -100x + 5x2 = 0 + -5x2 + 5x2
250 + -100x + 5x2 = -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
250 + -100x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(50 + -20x + x2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(50 + -20x + x2)' equal to zero and attempt to solve: Simplifying 50 + -20x + x2 = 0 Solving 50 + -20x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-50' to each side of the equation. 50 + -20x + -50 + x2 = 0 + -50 Reorder the terms: 50 + -50 + -20x + x2 = 0 + -50 Combine like terms: 50 + -50 = 0 0 + -20x + x2 = 0 + -50 -20x + x2 = 0 + -50 Combine like terms: 0 + -50 = -50 -20x + x2 = -50 The x term is -20x. Take half its coefficient (-10). Square it (100) and add it to both sides. Add '100' to each side of the equation. -20x + 100 + x2 = -50 + 100 Reorder the terms: 100 + -20x + x2 = -50 + 100 Combine like terms: -50 + 100 = 50 100 + -20x + x2 = 50 Factor a perfect square on the left side: (x + -10)(x + -10) = 50 Calculate the square root of the right side: 7.071067812 Break this problem into two subproblems by setting (x + -10) equal to 7.071067812 and -7.071067812.

Subproblem 1

x + -10 = 7.071067812 Simplifying x + -10 = 7.071067812 Reorder the terms: -10 + x = 7.071067812 Solving -10 + x = 7.071067812 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 7.071067812 + 10 Combine like terms: -10 + 10 = 0 0 + x = 7.071067812 + 10 x = 7.071067812 + 10 Combine like terms: 7.071067812 + 10 = 17.071067812 x = 17.071067812 Simplifying x = 17.071067812

Subproblem 2

x + -10 = -7.071067812 Simplifying x + -10 = -7.071067812 Reorder the terms: -10 + x = -7.071067812 Solving -10 + x = -7.071067812 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -7.071067812 + 10 Combine like terms: -10 + 10 = 0 0 + x = -7.071067812 + 10 x = -7.071067812 + 10 Combine like terms: -7.071067812 + 10 = 2.928932188 x = 2.928932188 Simplifying x = 2.928932188

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.071067812, 2.928932188}

Solution

x = {17.071067812, 2.928932188}

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