SOLUTION: Hello there! How can I factor this a^2+5a-ab-5b? Thank you.

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Question 834574: Hello there! How can I factor this a^2+5a-ab-5b? Thank you.
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
factor by grouping:
.
a^2+5a-ab-5b
group
(a^2+5a)-(ab+5b)
factor each term:
a(a+5)-b(a+5)
factor out whats common for both term:
(a+5)(a-b)