Question

5 (iii) 25m2 + 30m+9​

Answer 1

$Answer \:$

Formula :

(a+b)² = a² + 2ab + b²

Solution :

25m² + 30m + 9

➠ (5m)² + 30m +(3)²

➠ (5m)²+(2×5m×3)+(3)²

➠ (5m)²+30m+(3)²

➠ (5m+3)²

Therefore, The answer is (5m+3)²

Answer 2

Answer:

Formula :

(a+b)² = a² + 2ab + b²

Solution :

25m² + 30m + 9

➠ (5m)² + 30m +(3)²

➠ (5m)²+(2×5m×3)+(3)²

➠ (5m)²+30m+(3)²

➠ (5m+3)²

Therefore, The answer is (5m+3)²