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Find each sum or difference. Show your work. (x^3+2)+(-3x^3-5) Plz help!

Find each sum or difference. Show your work. (x^3+2)+(-3x^3-5) Plz help!
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1 vote
Find each sum or difference. Show your work.

(x^3+2)+(-3x^3-5)

Plz help!

User Today
by
8.3k points

1 Answer

6 votes
because before parentheses is plus , we can simply remove parentheses
x³+2-3x³-5= (x³-3x³)+(2-5)=-2x³-3
User Alexander Gelbukh
by
8.5k points
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