What is 3√25 - √9 expressed in simplified form? 12 15 66 72

1 answer:

7 0

A number outside of the square root symbol is actually multiplied by the square root of the number under the symbol. 25 and 9 are considered perfect squares because a number multiplied by itself goes evenly into each without any remainders.

=3√25 - √9
take the square root of 25 and 9

=3(5) - 3
multiply 3*5

=15 - 3
=12

ANSWER: 12 (first choice)

Hope this helps! :)

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