## pokemon23 The sum of one year ago one year ago

1. pokemon23

|dw:1338270236998:dw|

2. pokemon23

How can we answer a question like that first of all.

3. alexwee123

|dw:1338270265636:dw|

4. Calcmathlete

$4\sqrt{3}$

5. pokemon23

so basically multiply

6. Calcmathlete

You have to first simplify the second radical. Then, think of the square root as a variable. They both have square root of 3, so just add the coefficients.

7. pokemon23

oh nice explanation