2p2+p-45 factoice this
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2p² + p - 45
= 2p² + p ( 10 - 9 ) - 45
= 2p² + 10p - 9p - 45
= 2p ( p + 5 ) - 9 ( p + 5 )
= ( p +5 ) ( 2p - 9)
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