(x+7)(x-3)(9x+4)=x

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Solution for (x+7)(x-3)(9x+4)=x equation:


Simplifying
(x + 7)(x + -3)(9x + 4) = x

Reorder the terms:
(7 + x)(x + -3)(9x + 4) = x

Reorder the terms:
(7 + x)(-3 + x)(9x + 4) = x

Reorder the terms:
(7 + x)(-3 + x)(4 + 9x) = x

Multiply (7 + x) * (-3 + x)
(7(-3 + x) + x(-3 + x))(4 + 9x) = x
((-3 * 7 + x * 7) + x(-3 + x))(4 + 9x) = x
((-21 + 7x) + x(-3 + x))(4 + 9x) = x
(-21 + 7x + (-3 * x + x * x))(4 + 9x) = x
(-21 + 7x + (-3x + x2))(4 + 9x) = x

Combine like terms: 7x + -3x = 4x
(-21 + 4x + x2)(4 + 9x) = x

Multiply (-21 + 4x + x2) * (4 + 9x)
(-21(4 + 9x) + 4x * (4 + 9x) + x2(4 + 9x)) = x
((4 * -21 + 9x * -21) + 4x * (4 + 9x) + x2(4 + 9x)) = x
((-84 + -189x) + 4x * (4 + 9x) + x2(4 + 9x)) = x
(-84 + -189x + (4 * 4x + 9x * 4x) + x2(4 + 9x)) = x
(-84 + -189x + (16x + 36x2) + x2(4 + 9x)) = x
(-84 + -189x + 16x + 36x2 + (4 * x2 + 9x * x2)) = x
(-84 + -189x + 16x + 36x2 + (4x2 + 9x3)) = x

Combine like terms: -189x + 16x = -173x
(-84 + -173x + 36x2 + 4x2 + 9x3) = x

Combine like terms: 36x2 + 4x2 = 40x2
(-84 + -173x + 40x2 + 9x3) = x

Solving
-84 + -173x + 40x2 + 9x3 = x

Solving for variable 'x'.

Reorder the terms:
-84 + -173x + -1x + 40x2 + 9x3 = x + -1x

Combine like terms: -173x + -1x = -174x
-84 + -174x + 40x2 + 9x3 = x + -1x

Combine like terms: x + -1x = 0
-84 + -174x + 40x2 + 9x3 = 0

The solution to this equation could not be determined.

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