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# How to multiply surds watch

1. 8 root 2 * 3 root 3
2. Look at my private message where i explained this earlier
3. (Original post by heyitscraziix)
8 root 2 * 3 root 3
A root(B) * C root(D)
=A*root(B) * C*root(D)
=(A*C)*root(B*D)

so 8 root 2 * 3 root 3
=24 root(6)

sorry no latex
4. (Original post by genius10)
A root(B) * C root(D)
=A*root(B) * C*root(D)
=(A*C)*root(B*D)

so 8 root 2 * 3 root 3...
=24 root(6)

This confused me. The a and bs
sorry no latex

This conused me th bs and as
5. (Original post by heyitscraziix)
This conused me th bs and as
What do you find confusing about it? Just multiply the numbers before the surds together, and then multiply the roots together. Then simplify if you need to.
6. (Original post by genius10)
What do you find confusing about it? Just multiply the numbers before the surds together, and then multiply the roots together. Then simplify if you need to.
I mean im tryinng to work
7 root 6 times 3 root 2
And i multiplied 7*3
And 6 root and 2 root
7. (Original post by heyitscraziix)
I mean im tryinng to work
7 root 6 times 3 root 2
And i multiplied 7*3
And 6 root and 2 root
root 6 * root 2 = root 12
root 12 = root 4 * root 3
root 4 = 2
=2root3

now just multiply by 21

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