Factorize 4m^2+9n^2
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Answer:
4m²+12mn+9n²
Step-by-step explanation:
4m²+9n²
(2m)²+(3n)²= (2m+3n)²
(a+b)²=a²+2ab+b²
(2m)²+2×2m×3n+(3n)²
4m²+12mn+9n²
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