(3x-7)(-x^2-4x+5)=0

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Solution for (3x-7)(-x^2-4x+5)=0 equation: 


Simplifying
(3x + -7)(-1x2 + -4x + 5) = 0

Reorder the terms:
(-7 + 3x)(-1x2 + -4x + 5) = 0

Reorder the terms:
(-7 + 3x)(5 + -4x + -1x2) = 0

Multiply (-7 + 3x) * (5 + -4x + -1x2)
(-7(5 + -4x + -1x2) + 3x * (5 + -4x + -1x2)) = 0
((5 * -7 + -4x * -7 + -1x2 * -7) + 3x * (5 + -4x + -1x2)) = 0
((-35 + 28x + 7x2) + 3x * (5 + -4x + -1x2)) = 0
(-35 + 28x + 7x2 + (5 * 3x + -4x * 3x + -1x2 * 3x)) = 0
(-35 + 28x + 7x2 + (15x + -12x2 + -3x3)) = 0

Reorder the terms:
(-35 + 28x + 15x + 7x2 + -12x2 + -3x3) = 0

Combine like terms: 28x + 15x = 43x
(-35 + 43x + 7x2 + -12x2 + -3x3) = 0

Combine like terms: 7x2 + -12x2 = -5x2
(-35 + 43x + -5x2 + -3x3) = 0

Solving
-35 + 43x + -5x2 + -3x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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