(m²-n²m)²+2m³n² Please answer fast urgent
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Answer:
identity
(a-b) ²=a²-2ab+b²
(m²-n²m) ²+2m³n²
=m⁴+n⁴m²-2m³n²+2m³n²
=m⁴+n⁴m²
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