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.

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

$6x^4-6x$

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