x^2*(100-x^2)=2500

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Solution for x^2*(100-x^2)=2500 equation:


Simplifying
x2(100 + -1x2) = 2500
(100 * x2 + -1x2 * x2) = 2500
(100x2 + -1x4) = 2500

Solving
100x2 + -1x4 = 2500

Solving for variable 'x'.

Reorder the terms:
-2500 + 100x2 + -1x4 = 2500 + -2500

Combine like terms: 2500 + -2500 = 0
-2500 + 100x2 + -1x4 = 0

Factor a trinomial.
(-50 + x2)(50 + -1x2) = 0

Subproblem 1

Set the factor '(-50 + x2)' equal to zero and attempt to solve: Simplifying -50 + x2 = 0 Solving -50 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + x2 = 0 + 50 Combine like terms: -50 + 50 = 0 0 + x2 = 0 + 50 x2 = 0 + 50 Combine like terms: 0 + 50 = 50 x2 = 50 Simplifying x2 = 50 Take the square root of each side: x = {-7.071067812, 7.071067812}

Subproblem 2

Set the factor '(50 + -1x2)' equal to zero and attempt to solve: Simplifying 50 + -1x2 = 0 Solving 50 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + -1x2 = 0 + -50 Combine like terms: 50 + -50 = 0 0 + -1x2 = 0 + -50 -1x2 = 0 + -50 Combine like terms: 0 + -50 = -50 -1x2 = -50 Divide each side by '-1'. x2 = 50 Simplifying x2 = 50 Take the square root of each side: x = {-7.071067812, 7.071067812}

Solution

x = {-7.071067812, 7.071067812, -7.071067812, 7.071067812}

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