(4X^2-2X-40)(4X-5)=

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Solution for (4X^2-2X-40)(4X-5)= equation: 


Simplifying
(4X2 + -2X + -40)(4X + -5) = 0

Reorder the terms:
(-40 + -2X + 4X2)(4X + -5) = 0

Reorder the terms:
(-40 + -2X + 4X2)(-5 + 4X) = 0

Multiply (-40 + -2X + 4X2) * (-5 + 4X)
(-40(-5 + 4X) + -2X * (-5 + 4X) + 4X2 * (-5 + 4X)) = 0
((-5 * -40 + 4X * -40) + -2X * (-5 + 4X) + 4X2 * (-5 + 4X)) = 0
((200 + -160X) + -2X * (-5 + 4X) + 4X2 * (-5 + 4X)) = 0
(200 + -160X + (-5 * -2X + 4X * -2X) + 4X2 * (-5 + 4X)) = 0
(200 + -160X + (10X + -8X2) + 4X2 * (-5 + 4X)) = 0
(200 + -160X + 10X + -8X2 + (-5 * 4X2 + 4X * 4X2)) = 0
(200 + -160X + 10X + -8X2 + (-20X2 + 16X3)) = 0

Combine like terms: -160X + 10X = -150X
(200 + -150X + -8X2 + -20X2 + 16X3) = 0

Combine like terms: -8X2 + -20X2 = -28X2
(200 + -150X + -28X2 + 16X3) = 0

Solving
200 + -150X + -28X2 + 16X3 = 0

Solving for variable 'X'.

Factor out the Greatest Common Factor (GCF), '2'.
2(100 + -75X + -14X2 + 8X3) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(100 + -75X + -14X2 + 8X3)' equal to zero and attempt to solve:

Simplifying
100 + -75X + -14X2 + 8X3 = 0

Solving
100 + -75X + -14X2 + 8X3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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