what must be be subtracted from y³ + 2y²-3y + 7 to get y³ + y²-17?
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what must be be subtracted from y³ + 2y²-3y + 7 to get y³ + y²-17?
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Step-by-step explanation:
=(y³+2y²-3y+7)-(y²-3y+24)
=y³+2y²-3y+7-y²+3y-24
=y³+2y²-y²-3y+3y+7-24
=y³+y²-17