Question

factor 2m2+7m+5

Answer 1

(2m+ ??)(m+ ??)

fill in the ??? so that they sum to 7 and multiply to 5

Answer 2

But the only factors of 5 are 1 & 5...neither get me to 7

Answer 3

but be careful order is important here...

Answer 4

don't forget the coefficient of 2 for the first binomial...

Answer 5

5 is prime so your only choice is 5 and 1...
but is it 5 and 1 or is it 1 and 5?

Answer 6

5 and 1

Answer 7

then its (2m+5)(m+1)
think that works
2m2 +5*1 + 2m*1+5m

Answer 8

Thank you! I got it. I was forgetting about the 2.

Answer 9

good work...

Answer 10

(2m+5)(m+1)