(3x^2-7x-20)(2x-5)=0

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Solution for (3x^2-7x-20)(2x-5)=0 equation: 


Simplifying
(3x2 + -7x + -20)(2x + -5) = 0

Reorder the terms:
(-20 + -7x + 3x2)(2x + -5) = 0

Reorder the terms:
(-20 + -7x + 3x2)(-5 + 2x) = 0

Multiply (-20 + -7x + 3x2) * (-5 + 2x)
(-20(-5 + 2x) + -7x * (-5 + 2x) + 3x2 * (-5 + 2x)) = 0
((-5 * -20 + 2x * -20) + -7x * (-5 + 2x) + 3x2 * (-5 + 2x)) = 0
((100 + -40x) + -7x * (-5 + 2x) + 3x2 * (-5 + 2x)) = 0
(100 + -40x + (-5 * -7x + 2x * -7x) + 3x2 * (-5 + 2x)) = 0
(100 + -40x + (35x + -14x2) + 3x2 * (-5 + 2x)) = 0
(100 + -40x + 35x + -14x2 + (-5 * 3x2 + 2x * 3x2)) = 0
(100 + -40x + 35x + -14x2 + (-15x2 + 6x3)) = 0

Combine like terms: -40x + 35x = -5x
(100 + -5x + -14x2 + -15x2 + 6x3) = 0

Combine like terms: -14x2 + -15x2 = -29x2
(100 + -5x + -29x2 + 6x3) = 0

Solving
100 + -5x + -29x2 + 6x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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