Question

Perform the operations
(12y^2+17y-4)+ 9y^2-13y+3​

Answer 1

Answer:

see the attachment

Step-by-step explanation:

hope it helps

Answer 2

AnSwEr:-

[i] (12y² + 17y - 4) + 9y² - 13y + 3

= 12y² + 9y² + 17y - 13y - 4 + 3

= 21y² + 4y - 1

If we factorise it, we get,

= 21y² + (7 - 3)y - 1

= 21y² + 7y - 3y - 1

= 7y(3y + 1) - 1(3y + 1)

= (3y + 1)(7y - 1)