Monday

October 20, 2014

October 20, 2014

Posted by **Rae Rae** on Sunday, April 5, 2009 at 4:44pm.

the problem is 49-a^2b^2

Is the answer: (7+ab)-(7ab)

- Algebra correction -
**Damon**, Sunday, April 5, 2009 at 4:47pm(7-ab)(7+ab)

the difference of two squares

(sqrt first + sqrt second)(sqrt first - sqrt second)

- Algebra correction -
**Damon**, Sunday, April 5, 2009 at 4:50pmCheck these by multiplying them out.

- Algebra correction -
**Reiny**, Sunday, April 5, 2009 at 4:51pmHow about answering your own question.

will I get 49-a^2b^2 if I simplify (7+ab)-(7ab) ??

now try (7 + ab)(7 - ab)

- Thank you:):):) -
**Rae Rae**, Sunday, April 5, 2009 at 4:52pmThank you now I understand how to check them to see if there right. Thanks Damon, and thanks Reiny.

**Answer this Question**

**Related Questions**

algebra - How do I find out if x-1 is a function --- 3 and does x-1 1 1 --- =y...

Algebra - x/(x-3)-4-(2x-5)/(x+2) If the problem is this: x/(x - 3) - 4 - (3x - 5...

Math - Hi, I am getting very frustrated. I am doing an online homework for ...

math,correction - Problem #1 Simplify by combining like terms. x(18) -3(8x^2...

math, correction,plz - Can someone correct these for me..plz... Problem #1 ...

Math - Actually, i made a mistake. All though we still came up with the right ...

Algebra Question - I did a problem and used the substitution method and it took ...

Math - I am very sorry but I was wrong with the problem. The math problem is: 9...

Math - I posted this problem the other day and someone answered it but when I ...

math,correction - Can someone correct these for me plz... Problem#6 Factor. x(x-...