(5x+2)(x-4)=y

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Solution for (5x+2)(x-4)=y equation: 


Simplifying
(5x + 2)(x + -4) = y

Reorder the terms:
(2 + 5x)(x + -4) = y

Reorder the terms:
(2 + 5x)(-4 + x) = y

Multiply (2 + 5x) * (-4 + x)
(2(-4 + x) + 5x * (-4 + x)) = y
((-4 * 2 + x * 2) + 5x * (-4 + x)) = y
((-8 + 2x) + 5x * (-4 + x)) = y
(-8 + 2x + (-4 * 5x + x * 5x)) = y
(-8 + 2x + (-20x + 5x2)) = y

Combine like terms: 2x + -20x = -18x
(-8 + -18x + 5x2) = y

Solving
-8 + -18x + 5x2 = y

Solving for variable 'x'.

Combine like terms: y + -1y = 0
-8 + -18x + 5x2 + -1y = 0

The solution to this equation could not be determined.

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