factorise the equation 2p²-5p-18
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Answered by
1
Answer:
2p^2 -5p -18
2p^2 -9p+4p-18
2p^2+4p-9p-18
2p(p+2)-9(p+2)
(2p-9)(p+2)
2p-9=0 , p+2=0
2p=9 , p=-2
p=9/2 , p=-2
Step-by-step explanation:
Answered by
2
Answer:
Step-by-step explanation: 2p2-5p-18
=2p2+4p-9p-18
=2p(p-2)-9(p-2) =(2p-9)(p-2)
=2p=9 p=9/2 or p=2
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