How do you multiply #(x^2 + 3x)(x + 1)#?
2 Answers
Jun 9, 2018
Explanation:
multiplying out:
Jun 9, 2018
Explanation:
#"each term in the second factor is multiplied by each term"#
#"in the first factor"#
#(color(red)(x^2+3x))(x+1)#
#=color(red)(x^2)(x+1)color(red)(+3x)(x+1)larrcolor(blue)"distribute"#
#=(color(red)(x^2)xx x)+(color(red)(x^2)xx1)+(color(red)(3x)xx x)+(color(red)(3x)xx1)#
#=x^3color(blue)(+x^2)color(blue)(+3x^2)+3xlarrcolor(magenta)"collect like terms"#
#=x^3+4x^2+3x#