Progression

-12, 60, -300,1500 need next 2 numbers of pattern

Correct result:

a5 =  -7500
a6 =  37500

Solution:

a1=12 a2=60 k1=a2/a1=60/(12)=5 a3=k1 a2=(5) 60=300 a4=k1 a3=(5) (300)=1500  a5=a4 k1=1500 (5)=7500
a6=a5 k1=(7500) (5)=37500



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