Discover answers to your questions with Westonci.ca, the leading Q&A platform that connects you with knowledgeable experts. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

Simplify the expression:

[tex]\[
\sqrt{45}
\][/tex]

[tex]\[
\sqrt{45} = \square
\][/tex]

(Type an exact answer, using radicals as needed.)


Sagot :

To simplify the expression [tex]\(\sqrt{45}\)[/tex]:

1. First, we identify the factors of 45:
[tex]\[ 45 = 9 \times 5 \][/tex]

2. Next, we use the property of square roots that states [tex]\(\sqrt{a \times b} = \sqrt{a} \times \sqrt{b}\)[/tex]:
[tex]\[ \sqrt{45} = \sqrt{9 \times 5} \][/tex]

3. We know that 9 is a perfect square, and [tex]\(\sqrt{9} = 3\)[/tex]:
[tex]\[ \sqrt{9 \times 5} = \sqrt{9} \times \sqrt{5} \][/tex]

4. Substituting the value of [tex]\(\sqrt{9}\)[/tex]:
[tex]\[ \sqrt{9} \times \sqrt{5} = 3 \times \sqrt{5} \][/tex]

Therefore, the simplified expression is:
[tex]\[ \sqrt{45} = 3 \times \sqrt{5} \][/tex]