3 years ago

P^2+2p-63=0 solve by completing the square

Mathematics

1 answer:

algol [13]3 years ago

7 0

Step-by-step explanation:

p^2+2p=63

p^2+2p+1^2=63+1^2

p^2+2p+1=64

(p+1)^2=64

p+1=8

p=8-1

p=7

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