Find the product. (2s + 9t)^2

Holt McDougal Larson Algebra 1 Common Core Edition page 563 number 12

Asked by Dee Dee on 26 Mar 10:16

Last updated by anonymous on 27 Mar 11:47

Answered by CherieS on 27 Mar 11:47

(2s + 9t)^2

(2s+9t)(2s+9t)

(2s)(2s) (2s)(9t) (9t)(2s) (9t)(9t)

4s^2 18st 18st 81t^2

4s^2+36st+81t^2