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HELP ASAP WILL GIVE BRAINLIEST. Choose the correct simplification of (3x3 + 2x2 − 5x) − (8x3 − 2x2) please show me the steps!

Respuesta :

Distribute the Negative Sign:=3x3+2x2−5x+−1(8x3−2x2)=3x3+2x2+−5x+−1(8x3)+−1(−2x2)=3x3+2x2+−5x+−8x3+2x2Combine Like Terms:=3x3+2x2+−5x+−8x3+2x2=(3x3+−8x3)+(2x2+2x2)+(−5x)=−5x3+4x2+−5xAnswer:=−5x3+4x2−5x
9+4           13-5x-20   i believe this is the answer