(m²-n²m)²+4m³n²=(m²+n²m)²
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Step-by-step explanation:
(m²-n²m)²+4m³n²=(m²+n²m)²
LHS
m⁴-2m³n²+n⁴m²+4m³n²
m⁴+2m³n²+n⁴m²
(m²+n²m)²=RHS
LHS=RHS
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