How do you multiply #(3x + 4)^2#?

1 Answer
Aug 23, 2015

Answer:

#=color(blue)(9x^2+24x+16#

Explanation:

#(3x+4)^2 = color(blue)((3x+4)) * (3x+4)#

#= color(blue)((3x)) * (3x+4) +color(blue)((4))(3x+4)#
#=9x^2+12x+12x+16#
#=color(blue)(9x^2+24x+16#

Note:
The property:#color(blue)((a+b)^2=a^2+2ab+b^2# can be applied to the same expression