How do you combine $(10x^3-4x ^2+3x)-(x ^3-x ^2+1)$ ?

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Answer 1 · 2015-07-11T16:52:55

$=color(blue)(9x^3-3x^2+3x-1$

$10x^3-4x^2+3x-x^3+x^2-1$

Grouping like terms

$=10x^3-x^3-4x^2+x^2 +3x-1$

$=color(blue)(9x^3-3x^2+3x-1$

How do you combine (10x^3-4x ^2+3x)-(x ^3-x ^2+1)(10x^3-4x ^2+3x)-(x ^3-x ^2+1)?