Expand the polynomial and simplify:

(y-9) ^2

Question

Moyer

Mathematics

8 April, 23:00

Expand the polynomial and simplify:

(y-9) ^2

+2

Answers (1)

Know the Answer?

Ian · Answer 1

= y^2 - 18y + 81

Step-by-step explanation:

(y-9) ^2

(y-9) (y-9)

FOIL

first: y*y = y^2

outer: - 9y

inner: - 9y

last: - 9*-9 = 81

Add them all together = y^2 - 9y-9y+81

= y^2 - 18y + 81

Expand the polynomial and simplify:(y-9) ^2

Expand the polynomial and simplify:

(y-9) ^2