(Q+10)(P+20)=300 DAN Q=2P-8
Matematika
putriy519ozgj7t
Pertanyaan
(Q+10)(P+20)=300 DAN Q=2P-8
1 Jawaban
-
1. Jawaban isaachansenaveozewbp
(2P-8+10)(P+20)=300
(2P+2)(P+20)=300
2P²+42P+40=300
P²+21P+20=150
P²+21P-130=0
(P+26)(P-5)
P=-26 / P=5
Q=-60 / Q=2