a) √3 x √15

b) √32 x √24

c) 2√5 x 5√2

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- March 12th 2010, 04:17 PMbrumby_3Simplify the following
a) √3 x √15

b) √32 x √24

c) 2√5 x 5√2 - March 12th 2010, 06:22 PMQuacky
Remember that

And that

1)

so

How would this simplify?

2)

And

Substitute these into the equation and then simplification should become clear.

3)Write this as:

Simplifying from here should be straightforward.

Reply if you are still stuck and I'll try to be of more assistance.