Question

factor the expression
y^2-10+25

Answer 1

you mean y^2 + 15 or you mis-typed the ques?

Answer 2

Sorry it is y^2-10y+25

Answer 3

(y-5)(y-5)
(y-5)^2

Answer 4

u have to look at the factors of the first term y^2 and last term 25. Then when they multiply and add together they have to equal -10, this is where the -5 comes from in both brackets because -5y-5y =-10y

Answer 5

ok thanks