(7x^2-4x-1)(2x-7)=y

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Solution for (7x^2-4x-1)(2x-7)=y equation: 


Simplifying
(7x2 + -4x + -1)(2x + -7) = y

Reorder the terms:
(-1 + -4x + 7x2)(2x + -7) = y

Reorder the terms:
(-1 + -4x + 7x2)(-7 + 2x) = y

Multiply (-1 + -4x + 7x2) * (-7 + 2x)
(-1(-7 + 2x) + -4x * (-7 + 2x) + 7x2 * (-7 + 2x)) = y
((-7 * -1 + 2x * -1) + -4x * (-7 + 2x) + 7x2 * (-7 + 2x)) = y
((7 + -2x) + -4x * (-7 + 2x) + 7x2 * (-7 + 2x)) = y
(7 + -2x + (-7 * -4x + 2x * -4x) + 7x2 * (-7 + 2x)) = y
(7 + -2x + (28x + -8x2) + 7x2 * (-7 + 2x)) = y
(7 + -2x + 28x + -8x2 + (-7 * 7x2 + 2x * 7x2)) = y
(7 + -2x + 28x + -8x2 + (-49x2 + 14x3)) = y

Combine like terms: -2x + 28x = 26x
(7 + 26x + -8x2 + -49x2 + 14x3) = y

Combine like terms: -8x2 + -49x2 = -57x2
(7 + 26x + -57x2 + 14x3) = y

Solving
7 + 26x + -57x2 + 14x3 = y

Solving for variable 'x'.

Combine like terms: y + -1y = 0
7 + 26x + -57x2 + 14x3 + -1y = 0

The solution to this equation could not be determined.

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