Posted by Joe on Monday, July 19, 2010 at 9:23pm.
Please help me factor this by grouping. I am stuck.
- algebra - Quidditch, Monday, July 19, 2010 at 10:03pm
7x^3 - 35x^2 - 6x + 30
Factor 7x^2 from the first two terms and -6 from the last two terms.
- algebra - Joe, Monday, July 19, 2010 at 10:22pm
Thank you.. SO would it be
- algebra - Jen, Monday, July 19, 2010 at 10:52pm
- algebra - Quidditch, Monday, July 19, 2010 at 10:52pm
Well, let's try your answer:
= x^2 - 25. So, that doesn't work.
Doing the factoring I mentioned previously gives:
7x^2(x - 5) - 6(x - 5)
Now there are two terms. The terms have a common factor of (x-5). Using our friendly distributive law we can write:
- algebra - sally, Monday, July 19, 2010 at 10:59pm
Thank you so so much for your help.
- algebra - Quidditch, Monday, July 19, 2010 at 11:12pm
Your very welcome!
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