(x-7)(-7x^2-x+7)=a

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Solution for (x-7)(-7x^2-x+7)=a equation:


Simplifying
(x + -7)(-7x2 + -1x + 7) = a

Reorder the terms:
(-7 + x)(-7x2 + -1x + 7) = a

Reorder the terms:
(-7 + x)(7 + -1x + -7x2) = a

Multiply (-7 + x) * (7 + -1x + -7x2)
(-7(7 + -1x + -7x2) + x(7 + -1x + -7x2)) = a
((7 * -7 + -1x * -7 + -7x2 * -7) + x(7 + -1x + -7x2)) = a
((-49 + 7x + 49x2) + x(7 + -1x + -7x2)) = a
(-49 + 7x + 49x2 + (7 * x + -1x * x + -7x2 * x)) = a
(-49 + 7x + 49x2 + (7x + -1x2 + -7x3)) = a

Reorder the terms:
(-49 + 7x + 7x + 49x2 + -1x2 + -7x3) = a

Combine like terms: 7x + 7x = 14x
(-49 + 14x + 49x2 + -1x2 + -7x3) = a

Combine like terms: 49x2 + -1x2 = 48x2
(-49 + 14x + 48x2 + -7x3) = a

Solving
-49 + 14x + 48x2 + -7x3 = a

Solving for variable 'x'.

Reorder the terms:
-49 + -1a + 14x + 48x2 + -7x3 = a + -1a

Combine like terms: a + -1a = 0
-49 + -1a + 14x + 48x2 + -7x3 = 0

The solution to this equation could not be determined.

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