Question

simplify: (m² - n²m)² + 2 m³n²​

Answer 1

Answer:

a---b

(a-b)^2 = a^2 - 2ab + b^2

(m^2)^2 - 2xm^2 ×m^2m + (m^2 m)^2 + 2m^3m^2

m^4-2m^3/m^2 + n^4 m^2 + 2m^2 /m^2

m^4 + n^4 m^2

this is the ans

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