factorise by splitting the middle term:p^2+4p-5
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Step-by-step explanation:
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Factors of p^2+4p-5 by splitting the middle term are (p+5)(p-1)
Step-by-step explanation:
Given p²+4p-5
we think of two numbers that add up to give +4 and on multiplication give -5
5+(-1) = 4 and 5*(-1) = -5
Therefore we split the middle terms by these numbers
p²+(5p-1p)-5
taking common factors
p(p+5) -1(p+5)
taking common factors
(p+5)(p-1)
which is the required answer.
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