How do you simplify #(x + 4)^2#?
1 Answer
Jul 1, 2017
Explanation:
#"each term in the second bracket must be multiplied by each"#
#"term in the first bracket"#
#rArr(x+4)^2=(x+4)(x+4)#
#rArr(color(red)(x+4))(x+4)#
#=color(red)(x)(x+4)color(red)(+4)(x+4)#
#=(color(red)(x)xx x)+(color(red)(x)xx4)+(color(red)(4)xx x)+(color(red)(4)xx4)#
#=x^2+4x+4x+16#
#=x^2+8x+16#
