Answer: The last one (C)
Step-by-step explanation: Use the rule to convert
15
1
3
to a radical, where
a
=
15
,
x
=
1
, and n
=
3
.
3
√
15
Answer:
Step-by-step explanation:
25x^2-9y^2
=(5x)^2-(3y)^2
=(5x-3y)(5y+3y)
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