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September 19, 2014

September 19, 2014

Posted by **bobpursley** on Wednesday, April 11, 2007 at 9:05pm.

sqrt 50 = 5 sqrt2

change 8 to 4*2

Nope:

(sqrt3-sqrt5)(sqrt3-sqrt5).

remember

(a-b)(a-b)= a^2-2ab + b^2

Simplify.Express in simpliest radical form.

1.3sqrt2 +sqrt50

Cannot be solve. Terms have unlike radicals

2.3sqrt8+2 sqrt16

Terms have unlike radicals

3. Not sure how to do this one as there is no example in my text to follow

(sqrt3-sqrt5)(sqrt3-sqrt5).

I guess the answer as 1

SO MY ANSWER TO #1 would be 8sqrt2

Here is what I have done with the #2

3SQRT4*2 +2 SQRT4.What Am i doing with the 4*2. I KNOW I CAN NOW ADD THE 3 AND THE 2 TO MAKE THAT 5. BUT WHAT ABOUT THE 2 NEXT TO THE 4. tHANKS FOR YOUR KIND HELP

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