Question

if 9y^2-21y+8 is written as p^2-7p+8 what is p in terms of y

Answer 1

Answer:

p = 3y

Step-by-step explanation:

Compare like terms in both expressions, that is

- 7p = - 21y ( divide both sides by - 7 )

p = 3y

and as a check

p² = (3y)² = 9y²

Answer 2

Answer:

p=3y

Step-by-step explanation: