QUESTION IMAGE
Question
find: \\((4x^2y^3 + 2xy^2 - 2y) - (-7x^2y^3 + 6xy^2 - 2y)\\)
place the correct coefficients in the difference.
\\(\quadx^2y^3 + \quadxy^2 + \quady\\)
<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Polynomial Subtraction",
"Like Terms",
"Additive Inverse"
],
"new_concepts": [],
"current_concepts": [
"Polynomial Subtraction",
"Like Terms",
"Additive Inverse"
]
}
</pre_analysis>
<reasoning>
Distribute the negative sign
\[
(4x^2y^3 + 2xy^2 - 2y) - (-7x^2y^3 + 6xy^2 - 2y) = 4x^2y^3 + 2xy^2 - 2y + 7x^2y^3 - 6xy^2 + 2y
\]
Group and combine like terms
\[
\]
</reasoning>
<answer>
Find: \((4x^2y^3 + 2xy^2 - 2y) - (-7x^2y^3 + 6xy^2 - 2y)\)
Place the correct coefficients in the difference.
<blank>11</blank>\(x^2y^3 +\) <blank>-4</blank>\(xy^2 +\) <blank>0</blank>\(y\)
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Polynomial Subtraction"
]
}
</post_analysis>
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<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Polynomial Subtraction",
"Like Terms",
"Additive Inverse"
],
"new_concepts": [],
"current_concepts": [
"Polynomial Subtraction",
"Like Terms",
"Additive Inverse"
]
}
</pre_analysis>
<reasoning>
Distribute the negative sign
\[
(4x^2y^3 + 2xy^2 - 2y) - (-7x^2y^3 + 6xy^2 - 2y) = 4x^2y^3 + 2xy^2 - 2y + 7x^2y^3 - 6xy^2 + 2y
\]
Group and combine like terms
\[
\]
</reasoning>
<answer>
Find: \((4x^2y^3 + 2xy^2 - 2y) - (-7x^2y^3 + 6xy^2 - 2y)\)
Place the correct coefficients in the difference.
<blank>11</blank>\(x^2y^3 +\) <blank>-4</blank>\(xy^2 +\) <blank>0</blank>\(y\)
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Polynomial Subtraction"
]
}
</post_analysis>