Amanda N.
asked • 02/15/22
30(p2 - 1) =11p
Inactive Tutor
answered • 02/15/22
30(p^2 -1) = 11p
30p^2 - 30 = 11p
30p^2 -11p -30 = 0
30(p^2 -11p/30 -10 = 0
30(p+5/6)(p-6/5) = 0
p=-5/6, 6/5
30((-5/6)^2 -1) = 11(-5/6)
=30(25/36 -1) = -55/6
= 30(-11/36) = -55/6
= 5(-11/6 = -55/6
-55/6 = -55/6
30((6/5)^2 -1) = 11(6/5)
30(36/25 -1) = 66/5
30(11/25) = 66/5
66/5 = 66/5
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