(X^2-5)(x^2-4)=0

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Solution for (X^2-5)(x^2-4)=0 equation: 


Simplifying
(X2 + -5)(x2 + -4) = 0

Reorder the terms:
(-5 + X2)(x2 + -4) = 0

Reorder the terms:
(-5 + X2)(-4 + x2) = 0

Multiply (-5 + X2) * (-4 + x2)
(-5(-4 + x2) + X2(-4 + x2)) = 0
((-4 * -5 + x2 * -5) + X2(-4 + x2)) = 0
((20 + -5x2) + X2(-4 + x2)) = 0
(20 + -5x2 + (-4 * X2 + x2 * X2)) = 0
(20 + -5x2 + (-4X2 + x2X2)) = 0

Reorder the terms:
(20 + -4X2 + -5x2 + x2X2) = 0
(20 + -4X2 + -5x2 + x2X2) = 0

Solving
20 + -4X2 + -5x2 + x2X2 = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-20' to each side of the equation.
20 + -4X2 + -5x2 + -20 + x2X2 = 0 + -20

Reorder the terms:
20 + -20 + -4X2 + -5x2 + x2X2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -4X2 + -5x2 + x2X2 = 0 + -20
-4X2 + -5x2 + x2X2 = 0 + -20

Combine like terms: 0 + -20 = -20
-4X2 + -5x2 + x2X2 = -20

Add '5x2' to each side of the equation.
-4X2 + -5x2 + 5x2 + x2X2 = -20 + 5x2

Combine like terms: -5x2 + 5x2 = 0
-4X2 + 0 + x2X2 = -20 + 5x2
-4X2 + x2X2 = -20 + 5x2

Reorder the terms:
20 + -4X2 + -5x2 + x2X2 = -20 + 5x2 + 20 + -5x2

Reorder the terms:
20 + -4X2 + -5x2 + x2X2 = -20 + 20 + 5x2 + -5x2

Combine like terms: -20 + 20 = 0
20 + -4X2 + -5x2 + x2X2 = 0 + 5x2 + -5x2
20 + -4X2 + -5x2 + x2X2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
20 + -4X2 + -5x2 + x2X2 = 0

The solution to this equation could not be determined.

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