SOLUTION: hi guys, i need help with this factoring equation factor 5y-21x+3xy-35 completely. i think the answer is (y-7)(3x+5) yet im not really sure thanks in advance

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Question 424504: hi guys,

i need help with this factoring equation

factor 5y-21x+3xy-35 completely.
i think the answer is (y-7)(3x+5) yet im not really sure
thanks in advance
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
You are correct.
.
Solve by factoring by "grouping"
5y-21x+3xy-35
reorder
3xy+5y-21x-35
group:
(3xy+5y)-(21x+35)
y(3x+5)-7(3x+5)
(3x+5)(y-7)