Question

(2m-3n)^2+(2m+3n)^2​

Answer 1

Step-by-step explanation:

$(2m - 3n)² + (2m + 3n)²$

$Using \: property-$

$\small\boxed{(a-b)²+(a+b)²=2(a²+b²)}$

$2[(2m)²+(3n)²]$

$2(4m² + 9n²)$

Answer 2

Answer:

final answer - 8m²+18n²=2(4m²+9n²)