Week 4 Precalc

this week in Precalc 11 I learned how to multiply roots. so its as simple as just multiplying the number outside the root with the other number outside the root (if no # showing outside of root it is 1) and you multiply the number inside the root with the other number in the other root

\sqrt{7} * 2\sqrt{3}

 

2\sqrt{21}

a harder question is

4\sqrt{5} * 8\sqrt{7}

 

32\sqrt{35}
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