SOLUTION: How do you multiply {{{ x^5x^7 }}}

Question 70331This question is from textbook Algebra 2
: How do you multiply This question is from textbook Algebra 2

Found 2 solutions by josmiceli, bucky:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

This is the same as

which is just

or
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
You multiply by just adding the two exponents to get .
.
Think about it. By the definition of exponents:
.
and

.
When you multiply the right sides of these two equations the problem becomes:
.

.
so you end up with 12 x's all multiplied together which is, by definition,
Hope this helps you understand why the exponent is 12.
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