Jika penyelesaian dari p3+2p3+3p3+4p3 =640 maka nilai p2+p=

p3+2p3+3p3+4p3 = 640
10p3 = 640
p3=640/10 = 64
p = 4

p2+p
(4)2+4
16+4
20

p³+2p³+3p³+4p³=640
(1+2+3+4)p³=640
10p³=640
p³=640/10
p³=64
p=∛64
p=4

p²+p
=4²+4
=16+4
=20