Question

using suitable identities find the following products (1) (3x+5)(3x+5)​

Answer 1

Answer:

Using identity( a+b) ^2

9x^2+30x +25

Answer 2

Answer:

9x² + 30x +25

Step-by-step explanation:

(3x+5)(3x+5)can be written as (3x+5)²

that implies Using Identity (a+b)² = a² + 2ab + b²

therefore (3x+5)² = (3x)² + 2×3x × 5 + (5)²= 9x² + 30x +25.