Question

# plz answer this question.......step by step.......ASAP...... ​

Answer 1

Answer:

-10

Step-by-step explanation:

(5-y)^2=25+y^2-10y

therefore

ur ans is -10

Answer 2

Answer:

(5-y)2=25-10y+y2

Step-by-step explanation:

The coefficient of y is -10