(x+4)(2x-1)=y

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Solution for (x+4)(2x-1)=y equation: 


Simplifying
(x + 4)(2x + -1) = y

Reorder the terms:
(4 + x)(2x + -1) = y

Reorder the terms:
(4 + x)(-1 + 2x) = y

Multiply (4 + x) * (-1 + 2x)
(4(-1 + 2x) + x(-1 + 2x)) = y
((-1 * 4 + 2x * 4) + x(-1 + 2x)) = y
((-4 + 8x) + x(-1 + 2x)) = y
(-4 + 8x + (-1 * x + 2x * x)) = y
(-4 + 8x + (-1x + 2x2)) = y

Combine like terms: 8x + -1x = 7x
(-4 + 7x + 2x2) = y

Solving
-4 + 7x + 2x2 = y

Solving for variable 'x'.

Combine like terms: y + -1y = 0
-4 + 7x + 2x2 + -1y = 0

The solution to this equation could not be determined.

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