Transcript How Do We Multiply Radical Expressions? How Do We Multiply Radical Expressions? Do Now: 8  27  216  6

How Do We Multiply Radical
Expressions?
1
2
How Do We Multiply Radical
Expressions?
Do Now:
3
8  27  216  6
3
3
You can add or subtract radicals
like monomials. You can also
simplify radicals by using the
FOIL method of multiplying
binomials.
Let us try one.
Ex: (3 6  2 3)(4  3)
(3 6  2 3)(4  3)
F
O
I
L
3 6 4  3 6 3  2 3  4  2 3  3
2
12 6  3 3  2  8 3  2 3
12 6  9 2  8 3  6
Since there are no like terms, you
can not combine.
Lets do another one.
(8  5 3)(8  5 3)
8 8  8 5 3  5 3 8  5 3 5 3
64  40 3  40 3  25 3
64 75
11
Simplify the product
2  3 3 9  7 3 
.
 18 14 3 27 3 21  3  3
 18  13 3  63
 45  13 3
Try on Your Own
1.
(1  7) (1  7)
2. (3  2) (2  5)
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