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how do you get this

Algebra
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p 2-2p=35 i have to figure out how i get -5 ,7 for the answer 

Apr 25th, 2015

p^2-2p =35

so p^2-2p-35 =0

see the coefficient of p. Its -2 constant term is -35.

So choose two numbers such that the sum is -2 and product is -35

so the numbers are -7 & 5.

so (p-7) (p+5) =0

so p = 7, -5

Please let me know if you have any other questions and best me if you are satisfactory. 



Apr 25th, 2015

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