Question

find square root of 49+ 14y+y²​

Answer 1

Answer:

y=-7 Or (y+7)²

Step-by-step explanation:

y²+14y+49

y²+7y+7y+49

y(y+7)+7(y+7)

(y+7)(y+7)

y=-7 Or (y+7)²

This method is of factorisation but can also be done by identity .

Hope it helps