Question

Sabendo que mp = 48 e m+ 2p = 20, calcule o valor de (m-2p)²

Answer 1

     mp =48 e m+2p =20
m = 20-2p
(20-2p)p = 48
20p - 2p² = 48
2p² -20p +48 =0
p² -10p + 24 = 0. . . . . . . .24= 6*4 e 6+4 = 10

p=4, m = 12. . . . . . .m-2p = 4
p=6, m = 8. . . . . . . .m-2p = -4

(m-2p)² = 16