(7x+9)(6x^3-3x^2+5x+9)=

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Solution for (7x+9)(6x^3-3x^2+5x+9)= equation:


Simplifying
(7x + 9)(6x3 + -3x2 + 5x + 9) = 0

Reorder the terms:
(9 + 7x)(6x3 + -3x2 + 5x + 9) = 0

Reorder the terms:
(9 + 7x)(9 + 5x + -3x2 + 6x3) = 0

Multiply (9 + 7x) * (9 + 5x + -3x2 + 6x3)
(9(9 + 5x + -3x2 + 6x3) + 7x * (9 + 5x + -3x2 + 6x3)) = 0
((9 * 9 + 5x * 9 + -3x2 * 9 + 6x3 * 9) + 7x * (9 + 5x + -3x2 + 6x3)) = 0
((81 + 45x + -27x2 + 54x3) + 7x * (9 + 5x + -3x2 + 6x3)) = 0
(81 + 45x + -27x2 + 54x3 + (9 * 7x + 5x * 7x + -3x2 * 7x + 6x3 * 7x)) = 0
(81 + 45x + -27x2 + 54x3 + (63x + 35x2 + -21x3 + 42x4)) = 0

Reorder the terms:
(81 + 45x + 63x + -27x2 + 35x2 + 54x3 + -21x3 + 42x4) = 0

Combine like terms: 45x + 63x = 108x
(81 + 108x + -27x2 + 35x2 + 54x3 + -21x3 + 42x4) = 0

Combine like terms: -27x2 + 35x2 = 8x2
(81 + 108x + 8x2 + 54x3 + -21x3 + 42x4) = 0

Combine like terms: 54x3 + -21x3 = 33x3
(81 + 108x + 8x2 + 33x3 + 42x4) = 0

Solving
81 + 108x + 8x2 + 33x3 + 42x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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