(8x^3-9x+2)+(9x^3+9x-7)=

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Solution for (8x^3-9x+2)+(9x^3+9x-7)= equation:


Simplifying
(8x3 + -9x + 2) + (9x3 + 9x + -7) = 0

Reorder the terms:
(2 + -9x + 8x3) + (9x3 + 9x + -7) = 0

Remove parenthesis around (2 + -9x + 8x3)
2 + -9x + 8x3 + (9x3 + 9x + -7) = 0

Reorder the terms:
2 + -9x + 8x3 + (-7 + 9x + 9x3) = 0

Remove parenthesis around (-7 + 9x + 9x3)
2 + -9x + 8x3 + -7 + 9x + 9x3 = 0

Reorder the terms:
2 + -7 + -9x + 9x + 8x3 + 9x3 = 0

Combine like terms: 2 + -7 = -5
-5 + -9x + 9x + 8x3 + 9x3 = 0

Combine like terms: -9x + 9x = 0
-5 + 0 + 8x3 + 9x3 = 0
-5 + 8x3 + 9x3 = 0

Combine like terms: 8x3 + 9x3 = 17x3
-5 + 17x3 = 0

Solving
-5 + 17x3 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + 17x3 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 17x3 = 0 + 5
17x3 = 0 + 5

Combine like terms: 0 + 5 = 5
17x3 = 5

Divide each side by '17'.
x3 = 0.2941176471

Simplifying
x3 = 0.2941176471

Reorder the terms:
-0.2941176471 + x3 = 0.2941176471 + -0.2941176471

Combine like terms: 0.2941176471 + -0.2941176471 = 0.0000000000
-0.2941176471 + x3 = 0.0000000000

The solution to this equation could not be determined.

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