How do you combine # (3x^4 -3x)-(3x-3x^4)#?

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Answer 1 · 2015-05-07T21:46:41

The answer is #6x^4-6x#.

Multiply the #(3x-3x^4)# times #-1#.

#(3x^4-3x)+(-3x+3x^4)#

Remove the parentheses and combine like terms.

#3x^4+3x^4-3x-3x#

Add like terms.

#6x^4+(-6x)# =

#6x^4-6x#