Question

Factor by Grouping.

I’m confused can someone help me answer the question? ASAP please.

Answer 1

D

Explanation:

observe, grouping by gcd not 1

28r² + 35ry – 4xr – 5xy

= 28r² – 4xr + 35ry – 5xy

= 4r(7r – x) + 5y(7r –x)

= (4r + 5y)(7r – x)