(-x^2+7x-15)*(x^2+1)=0

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Solution for (-x^2+7x-15)*(x^2+1)=0 equation: 


Simplifying
(-1x2 + 7x + -15)(x2 + 1) = 0

Reorder the terms:
(-15 + 7x + -1x2)(x2 + 1) = 0

Reorder the terms:
(-15 + 7x + -1x2)(1 + x2) = 0

Multiply (-15 + 7x + -1x2) * (1 + x2)
(-15(1 + x2) + 7x * (1 + x2) + -1x2 * (1 + x2)) = 0
((1 * -15 + x2 * -15) + 7x * (1 + x2) + -1x2 * (1 + x2)) = 0
((-15 + -15x2) + 7x * (1 + x2) + -1x2 * (1 + x2)) = 0
(-15 + -15x2 + (1 * 7x + x2 * 7x) + -1x2 * (1 + x2)) = 0
(-15 + -15x2 + (7x + 7x3) + -1x2 * (1 + x2)) = 0
(-15 + -15x2 + 7x + 7x3 + (1 * -1x2 + x2 * -1x2)) = 0
(-15 + -15x2 + 7x + 7x3 + (-1x2 + -1x4)) = 0

Reorder the terms:
(-15 + 7x + -15x2 + -1x2 + 7x3 + -1x4) = 0

Combine like terms: -15x2 + -1x2 = -16x2
(-15 + 7x + -16x2 + 7x3 + -1x4) = 0

Solving
-15 + 7x + -16x2 + 7x3 + -1x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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