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# How does expanding 3(2*2^x ) give 6(2^x) Watch

1. Wouldnt it give 6 x 6^x
2. (Original post by Mina_)
Wouldnt it give 6 x 6^x
No, you're getting the rule mixed up with multiplication.

.

, so we just have .
3. 2 x 2^x = 2^(x+1) so definitely not. Above post said all you need.
4. (Original post by IrrationalRoot)
No, you're getting the rule mixed up with multiplication.

.

, so we just have .
I always assumed that a(b*c) would equate to ab * ac
Thanks!
5. (Original post by Mina_)
I always assumed that a(b*c) would equate to ab * ac
Thanks!
No problem, just always remember that multiplication is 'associative' i.e it can be done in any order.

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