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simplify the following expression by combining like radicals. \\14\\sqr…

Question

simplify the following expression by combining like radicals.

\\14\sqrt{7} - \sqrt{175}\\

\\?\sqrt{\quad}\\

Explanation:

Response

<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Simplifying Radicals",
"Combining Like Radicals"
],
"new_concepts": [],
"current_concepts": [
"Simplifying Radicals",
"Combining Like Radicals"
]
}
</pre_analysis>

<reasoning>

Simplify the second radical term

\[
\sqrt{175} = \sqrt{25 \times 7} = \sqrt{25} \times \sqrt{7} = 5\sqrt{7}
\]

Combine the like radical terms

\[
14\sqrt{7} - 5\sqrt{7} = (14 - 5)\sqrt{7} = 9\sqrt{7}
\]
</reasoning>

<answer>
Simplify the following expression by combining like radicals.

\(14\sqrt{7} - \sqrt{175}\)

<blank>\(9\sqrt{7}\)</blank>
</answer>

<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Simplifying Radicals"
]
}
</post_analysis>

Answer:

<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Simplifying Radicals",
"Combining Like Radicals"
],
"new_concepts": [],
"current_concepts": [
"Simplifying Radicals",
"Combining Like Radicals"
]
}
</pre_analysis>

<reasoning>

Simplify the second radical term

\[
\sqrt{175} = \sqrt{25 \times 7} = \sqrt{25} \times \sqrt{7} = 5\sqrt{7}
\]

Combine the like radical terms

\[
14\sqrt{7} - 5\sqrt{7} = (14 - 5)\sqrt{7} = 9\sqrt{7}
\]
</reasoning>

<answer>
Simplify the following expression by combining like radicals.

\(14\sqrt{7} - \sqrt{175}\)

<blank>\(9\sqrt{7}\)</blank>
</answer>

<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Simplifying Radicals"
]
}
</post_analysis>