From the given expression p3 – 4 + 3p2 , take away 5p2 − 3p3 + p – 6
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(i) Given p3 – 4 + 3p2, take away5p2 − 3p3 + p − 6
= (p3 - 4 + 3p2) - (5p2 - 3p3+ p - 6)
= p3 - 4 + 3p2 - 5p2+ 3p3 - p + 6
= p3 + 3p3 + 3p2 - 5p2-p - 4+ 6
= 4p3 - 2p2 - p + 2
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