How do you factor completely 10x^2-14xy-15x+21y?
1 Answer
May 12, 2016
Explanation:
Factor by grouping:
10x^2-14xy-15x+21y
=(10x^2-14xy)-(15x-21y)
=2x(5x-7y)-3(5x-7y)
=(2x-3)(5x-7y)