00:01
So the first thing to do with this problem is to make sure that you find the greatest common factor.
00:06
And if i'm doing this correctly, they're all divisible by two.
00:12
So that's what i'm going to divide out to.
00:16
And you're left with 15a squared.
00:19
It should be 19a and 10.
00:22
And now we can practice the ac method where we're doing 15 times negative 10, which is negative 150.
00:32
And we need to divide that out to try to have a sum of 19.
00:38
I'm just going to guess 25 and 6.
00:41
I think that does it for us.
00:43
So what we can do is rewrite this problem and leave a few pieces the same, but then rewrite, i kind of like writing the negative one first...
