Question

Find the GCF of -10c^2 d and 15cd^2.
Any help?

Answer 1

factors of -10 =-2,5
factors of 15=3*5
common to both=3
c^2d=c*c*d
cd^2=c*d*d
common to these =c*d
Hence GCF=?

Answer 2

common write common to both=5 not 3