Question

(2m² + 3n2)2
$(2m ^{2} + 3n ^{2}) ^{2}$
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Answer 1

Answer:

=(2m²+3n²)²

= (2m²)² + 2*2m²*3n² + (3n²)²

= 4m^4 + 12m²n² + 9n^4