How do you simplify 12x^3 + -18x^3?

1 Answer
Alan P.
Sep 30, 2015

-6x^3

Explanation:

Simplify 12x^3+ - 18x^3
as 12x^3-18x^3

For any value of " elephants"
color(white)("XXX")12" elephants" - 18" elephants" = -6" elephants"

Assigning the value of x^3 to " elephants"
we have
color(white)("XXX")12x^3 - 18x^3 = -6x^3

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