How do you simplify #(9x-21)/(15x-35)#?

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Answer 1 · 2015-11-01T01:02:22

#(9x-21)/(15x-35)=3/5#

#(9x-21)/(15x-35)#

Factor out the GCF #3# out of the numerator.

#(3(3x-7))/(15x-35)#

Factor out the GCF #5# out of the denominator.

#(3(3x-7))/(5(3-7))#

Cancel #(3x-7) in the numerator and denominator.

#(3cancel((3x-7)))/(5cancel((3-7)))=3/5#