Saturday

April 18, 2015

April 18, 2015

Posted by **Keaton** on Thursday, May 27, 2010 at 9:36pm.

can someone help me please. This must turn in tonight

- algebra -
**drwls**, Friday, May 28, 2010 at 8:40am(3-2sqrt7)(3+2sqrt7)

is of the form

(a-b)(a+b)

which equals a^2 - b^2.

That means the answer is 9 - 28 = -19

**Answer this Question**

**Related Questions**

math - square root of x+4-2square x-1=-1 could help me please.

Algebra - What are the domain and range of the function y=2square root 3x+4-5? A...

math - (-6x)2square for x=4

maths - rationalise 5+2square root 5 divided by square root 5. please can ...

maths - rationalise 5+2square root 5 divided by square root 5. please can ...

maths - rationalise 5+2square root 5 divided by square root 5. please can ...

algebra II - I have been working on this problem for a while and for some reason...

algebra II - I have been working on this problem for a while and for some reason...

Trigonometry - what is z= -2-2square root of 3i in trigonometric form.

Algebra Two - Write the expression in simplified radical form. 2-2Square root 3...