(x+1)(x+2)(x+8)(x+9)=y

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Solution for (x+1)(x+2)(x+8)(x+9)=y equation: 


Simplifying
(x + 1)(x + 2)(x + 8)(x + 9) = y

Reorder the terms:
(1 + x)(x + 2)(x + 8)(x + 9) = y

Reorder the terms:
(1 + x)(2 + x)(x + 8)(x + 9) = y

Reorder the terms:
(1 + x)(2 + x)(8 + x)(x + 9) = y

Reorder the terms:
(1 + x)(2 + x)(8 + x)(9 + x) = y

Multiply (1 + x) * (2 + x)
(1(2 + x) + x(2 + x))(8 + x)(9 + x) = y
((2 * 1 + x * 1) + x(2 + x))(8 + x)(9 + x) = y
((2 + 1x) + x(2 + x))(8 + x)(9 + x) = y
(2 + 1x + (2 * x + x * x))(8 + x)(9 + x) = y
(2 + 1x + (2x + x2))(8 + x)(9 + x) = y

Combine like terms: 1x + 2x = 3x
(2 + 3x + x2)(8 + x)(9 + x) = y

Multiply (2 + 3x + x2) * (8 + x)
(2(8 + x) + 3x * (8 + x) + x2(8 + x))(9 + x) = y
((8 * 2 + x * 2) + 3x * (8 + x) + x2(8 + x))(9 + x) = y
((16 + 2x) + 3x * (8 + x) + x2(8 + x))(9 + x) = y
(16 + 2x + (8 * 3x + x * 3x) + x2(8 + x))(9 + x) = y
(16 + 2x + (24x + 3x2) + x2(8 + x))(9 + x) = y
(16 + 2x + 24x + 3x2 + (8 * x2 + x * x2))(9 + x) = y
(16 + 2x + 24x + 3x2 + (8x2 + x3))(9 + x) = y

Combine like terms: 2x + 24x = 26x
(16 + 26x + 3x2 + 8x2 + x3)(9 + x) = y

Combine like terms: 3x2 + 8x2 = 11x2
(16 + 26x + 11x2 + x3)(9 + x) = y

Multiply (16 + 26x + 11x2 + x3) * (9 + x)
(16(9 + x) + 26x * (9 + x) + 11x2 * (9 + x) + x3(9 + x)) = y
((9 * 16 + x * 16) + 26x * (9 + x) + 11x2 * (9 + x) + x3(9 + x)) = y
((144 + 16x) + 26x * (9 + x) + 11x2 * (9 + x) + x3(9 + x)) = y
(144 + 16x + (9 * 26x + x * 26x) + 11x2 * (9 + x) + x3(9 + x)) = y
(144 + 16x + (234x + 26x2) + 11x2 * (9 + x) + x3(9 + x)) = y
(144 + 16x + 234x + 26x2 + (9 * 11x2 + x * 11x2) + x3(9 + x)) = y
(144 + 16x + 234x + 26x2 + (99x2 + 11x3) + x3(9 + x)) = y
(144 + 16x + 234x + 26x2 + 99x2 + 11x3 + (9 * x3 + x * x3)) = y
(144 + 16x + 234x + 26x2 + 99x2 + 11x3 + (9x3 + x4)) = y

Combine like terms: 16x + 234x = 250x
(144 + 250x + 26x2 + 99x2 + 11x3 + 9x3 + x4) = y

Combine like terms: 26x2 + 99x2 = 125x2
(144 + 250x + 125x2 + 11x3 + 9x3 + x4) = y

Combine like terms: 11x3 + 9x3 = 20x3
(144 + 250x + 125x2 + 20x3 + x4) = y

Solving
144 + 250x + 125x2 + 20x3 + x4 = y

Solving for variable 'x'.

Combine like terms: y + -1y = 0
144 + 250x + 125x2 + 20x3 + x4 + -1y = 0

The solution to this equation could not be determined.

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