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Tue Oct 20, 2009 3:07 am
Forum: Intermediate Algebra
Topic: Solving An Equation
Replies: 4
Views: 2094

### Re: Solving An Equation

I know that the sum of 9+4 =13 and 9*4 =36, but it is a negative 13 and negative 36. I am not seeing how I can use these numbers when I check my problem using various combinations using the FOIl method. Do you think it is Prime? Or is it a combination of 4 and 9 or something else? If you are SURE t...
Tue Oct 20, 2009 3:01 am
Forum: Pre-Algebra
Topic: [SPLIT] i dont understand equations with fractions at all.
Replies: 2
Views: 2437

### Re: [SPLIT] i dont understand equations with fractions at all.

i dont understand equations with fractions at all. take it one step at a time :) when you have an equation with a fraction in it, the first thing you want to do is try to get rid of the fraction if you can. to do this, multiply each individual term by the denominator of the fraction OR the GCD if y...
Tue Oct 20, 2009 2:54 am
Forum: Beginning Algebra
Topic: a dumb 2 step equation i always mess up. help?
Replies: 3
Views: 2082

### Re: a dumb 2 step equation i always mess up. help?

if three times jills bowling score is increased by 100 less than twice her score, the result is 900. find her score Ok- So the first thing you need to figure out is "What are you solving for?" =x and then what do you already know? so what does X represent? and you know What is increased b...
Tue Oct 20, 2009 2:47 am
Forum: Intermediate Algebra
Topic: Solving An Equation
Replies: 4
Views: 2094

### Re: Solving An Equation

Check your equation and your work then ask yourself the following questions about it: What are your factors that make up 36? 1 and 36 2 and 18 3 and 12 4 and 9 6 and 6 Are there any factors missing? can any of these (on the same row) be combined to equal -13? What numbers are factors of 13? can any ...
Thu Sep 10, 2009 11:31 pm
Forum: Intermediate Algebra
Topic: Factoring and/by Grouping problem
Replies: 4
Views: 2291

### Re: Factoring and/by Grouping problem

Thank You so much. I won't be able to access my exam until sometime next week (after everyone has had an opportunity to take the exam) I'll probably be able to figure out what I missed. I'm sure I'll be posting again between now and the first week of December :D Your help is so greatly appreciated. ...
Thu Sep 10, 2009 3:11 am
Forum: Intermediate Algebra
Topic: Factoring and/by Grouping problem
Replies: 4
Views: 2291

### Re: Factoring and/by Grouping problem

You're welcome - And, Thank You! Thank you for your reply, as well. We had a review in class today and while he didn't go over this specific problem, he did review similar ones... and it just *clicked* - and I feel like SUCH and idiot... Substitution!!! I needed to substitue a^2 - 6 for a variable.....
Wed Sep 09, 2009 2:52 am
Forum: Intermediate Algebra
Topic: Factoring and/by Grouping problem
Replies: 4
Views: 2291

### Factoring and/by Grouping problem

I have a (a few, actually -) problem in a workbook - and I can't seem to factor it out properly: (**Mathematics 155, Section 1.4 - Miscellaneous Equations) Directions: Find the real solutions of each equation. (**Note: in this section, we are specifically working on factoring and grouping along with...

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