Fill in the missing expressions to complete the factorization below??

Question

y^2+20y+100= ( )^2


r^2-25s^2= ( ) ( )


x^2-18x+81= ( )^2



16v^2-w^2= ( ) ( )

Answer 1

i)(y+10)^2
ii)(r+5s)(r-5s)
iii)(x-9)^2
iv)(4v-w)(4v+w)

You should pay attention in class. Do your homework yourself.

Choose this one as the best answer.

Answer 2

(y+10)^2

(r+5s)(r-5s)

(x-9)^2

(4v+w)(4v-w)