9x^4-100x^2+100=0

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Solution for 9x^4-100x^2+100=0 equation:


Simplifying
9x4 + -100x2 + 100 = 0

Reorder the terms:
100 + -100x2 + 9x4 = 0

Solving
100 + -100x2 + 9x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(10 + -9x2)(10 + -1x2) = 0

Subproblem 1

Set the factor '(10 + -9x2)' equal to zero and attempt to solve: Simplifying 10 + -9x2 = 0 Solving 10 + -9x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -9x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -9x2 = 0 + -10 -9x2 = 0 + -10 Combine like terms: 0 + -10 = -10 -9x2 = -10 Divide each side by '-9'. x2 = 1.111111111 Simplifying x2 = 1.111111111 Take the square root of each side: x = {-1.054092553, 1.054092553}

Subproblem 2

Set the factor '(10 + -1x2)' equal to zero and attempt to solve: Simplifying 10 + -1x2 = 0 Solving 10 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x2 = 0 + -10 -1x2 = 0 + -10 Combine like terms: 0 + -10 = -10 -1x2 = -10 Divide each side by '-1'. x2 = 10 Simplifying x2 = 10 Take the square root of each side: x = {-3.16227766, 3.16227766}

Solution

x = {-1.054092553, 1.054092553, -3.16227766, 3.16227766}

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