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# Don't understand a part of factoring by grouping (quadratic). watch

1. Howdy ,

I don't get how the 2y(2y - 3) +5(2y - 3) becomes

(2y + 5)(2y - 3) in the attached image.

2. (Original post by makin)
Howdy ,

I don't get how the 2y(2y - 3) +5(2y - 3) becomes

(2y + 5)(2y - 3) in the attached image.

You pull out a common factor of . If you're having trouble seeing that, you can simply call so that you get:

by pulling out as a common factor.

Then you replace with to get
3. (Original post by Zacken)
You pull out a common factor of . If you're having trouble seeing that, you can simply call so that you get:

by pulling out as a common factor.

Then you replace with to get
Thanks . I can see how that works now.
4. (Original post by makin)
Thanks . I can see how that works now.
Awesome. :-)
5. (Original post by makin)
Howdy ,

I don't get how the 2y(2y - 3) +5(2y - 3) becomes

(2y + 5)(2y - 3) in the attached image.

2 apples + 5 apples = (2+5) apples

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6. (Original post by 2710)
2 apples + 5 apples = (2+5) apples

Posted from TSR Mobile
I don't quite see how this is applicable here.

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Updated: March 19, 2016
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