(x^2-9)(x^2-100)=0

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Solution for (x^2-9)(x^2-100)=0 equation:


Simplifying
(x2 + -9)(x2 + -100) = 0

Reorder the terms:
(-9 + x2)(x2 + -100) = 0

Reorder the terms:
(-9 + x2)(-100 + x2) = 0

Multiply (-9 + x2) * (-100 + x2)
(-9(-100 + x2) + x2(-100 + x2)) = 0
((-100 * -9 + x2 * -9) + x2(-100 + x2)) = 0
((900 + -9x2) + x2(-100 + x2)) = 0
(900 + -9x2 + (-100 * x2 + x2 * x2)) = 0
(900 + -9x2 + (-100x2 + x4)) = 0

Combine like terms: -9x2 + -100x2 = -109x2
(900 + -109x2 + x4) = 0

Solving
900 + -109x2 + x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + -1x2)(100 + -1x2) = 0

Factor a difference between two squares.
((3 + x)(3 + -1x))(100 + -1x2) = 0

Factor a difference between two squares.
((10 + x)(10 + -1x))(3 + x)(3 + -1x) = 0

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 3

Set the factor '(10 + x)' equal to zero and attempt to solve: Simplifying 10 + x = 0 Solving 10 + x = 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 + x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + x = 0 + -10 x = 0 + -10 Combine like terms: 0 + -10 = -10 x = -10 Simplifying x = -10

Subproblem 4

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 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 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-3, 3, -10, 10}

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