Question

expand using identity (2a-6) ²​

Answer 1

Step-by-step explanation:

use this for mula

a²+b²-2ab

Answer 2

Step-by-step explanation:

We need to expand (2a + 3b + 5)²

Comparing the given expression with

(x+y+z),

we find thatx= 2a, y = 3b and z = 5

Therefore, using Identity V, we have (2a + 3b + 5)? = (2a)² + (3b)? + (5)² +

2(2a)(3b) + 2(3b)(5) + 2(5)(2a) 4a? + 9b? + 25 + 12ab + 30b + 20a

Hope you like my answer

please mark me as brainilist