(x^2-3)(x^2+3)=66

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Solution for (x^2-3)(x^2+3)=66 equation: 


Simplifying
(x2 + -3)(x2 + 3) = 66

Reorder the terms:
(-3 + x2)(x2 + 3) = 66

Reorder the terms:
(-3 + x2)(3 + x2) = 66

Multiply (-3 + x2) * (3 + x2)
(-3(3 + x2) + x2(3 + x2)) = 66
((3 * -3 + x2 * -3) + x2(3 + x2)) = 66
((-9 + -3x2) + x2(3 + x2)) = 66
(-9 + -3x2 + (3 * x2 + x2 * x2)) = 66
(-9 + -3x2 + (3x2 + x4)) = 66

Combine like terms: -3x2 + 3x2 = 0
(-9 + 0 + x4) = 66
(-9 + x4) = 66

Solving
-9 + x4 = 66

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + x4 = 66 + 9

Combine like terms: -9 + 9 = 0
0 + x4 = 66 + 9
x4 = 66 + 9

Combine like terms: 66 + 9 = 75
x4 = 75

Simplifying
x4 = 75

Reorder the terms:
-75 + x4 = 75 + -75

Combine like terms: 75 + -75 = 0
-75 + x4 = 0

The solution to this equation could not be determined.

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