How do you find the product #(9-2y)^2#?
1 Answer
Feb 9, 2018
Explanation:
#(9-2y)^2=(9-2y)(9-2y)#
#"each term in the second factor is multiplied by each term"#
#"in the first factor"#
#rArr(color(red)(9-2y))(9-2y)#
#=color(red)(9)(9-2y)color(red)(-2y)(9-2y)#
#"distributing gives"#
#=81-18y-18y+4y^2#
#=4y^2-36y+81#