Posted by **Ulyessus** on Tuesday, February 16, 2010 at 11:35pm.

My teacher said

If x-2(square root xy)=9-4(square root 2)

so since there are two square roots

-2(square root xy) equals -4(square root 2)

How is this possible, could the values be different and they are not equal.

## Answer This Question

## Related Questions

- Math Help! - Which two square roots are used to estimate square root 67? A. ...
- Math simplifying mixed radicals - Please help me simplify these following mixed ...
- Algebra - Rationalize each expression by building perfect nth root factors for ...
- Math HELP! - Which two square roots are used to estimate square root 5? A. ...
- math - Please help I'm so confused!!!! 1. Which two square roots are used to ...
- Math - Just need some help... Directions: Multiply or raise to the power as ...
- Math ~CHECK MY ANSWER~ - 1) Which of these is a rational number? a. Pi b. Square...
- Math simplifying mixed radicals - Please help me simplify these following mixed...
- college pre-calculus - simplify: square root (4/3)-square root (3/4) A. 2-...
- Calculus - A rectangle is bounded by the x axis and the semicircle = square root...

More Related Questions