Asked by Tawny

How do I solve:
-9x + 2x to the third power +8x -12x to the third power

14 years ago

Answered by drwls

Isn't there suppsed to be an "=" sign in there somewhere? If so, where?

You can't "solve" it if it isn't an equation.

14 years ago

Answered by Bosnian

-9x+2x=-7x

(-7x)^3=(-7)^3 *x^3=-343x^3

8x-12x=-4x

(-4x)^3=(-4)^3 *x^3=-64x^3

-343x^3 +(-64x^3)=
-343x^3-64x^3= -407x^3

14 years ago

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