How do you multiply #(4u-1)^2#?
1 Answer
Jan 16, 2017
Explanation:
We can express
#(4u-1)^2" as " (4u-1)(4u-1)# We must ensure that each term in the second bracket is multiplied by each term in the first bracket.This is illustrated as follows.
#(color(red)(4u-1))(4u-1)#
#=color(red)(4u)(4u-1)color(red)(-1)(4u-1)# distributing the brackets.
#16u^2-4u-4u+1# collecting like terms.
#=16u^2-8u+1#
