Question

can anyone please tell me why did + sign came in the circled part. please explain.​

Answer 1

Answer:

bcoz.

Step-by-step explanation:

-(y-3)

We solve it as

multiply - inside the bracket and sign changes.

(- - = +)

(- + = -)

(+ +=+)

Therefore... it is +3

Hope it helps you...

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@bawariyakumar. Insta

Answer 2

While considering that 3, there is 2 negative sign related to it. One inside and one outside the bracket. When the bracket is opened, the two negatives turns to positive.