Posted by **jas20** on Saturday, March 24, 2007 at 8:40pm.

Problem #1

Simplify by combining like terms.

xã(18) -3ã(8x^2)

My answer: -3xã(2)

Problem #2

Simplify each radical expression.

(ã(3) + 5)(ã(3) - 3)

My answer: -12

see my previous post, don't understand your symbol ã

sorry they are radicals

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