Respuesta :

osikbro

Answer:

[tex]x^2+4x+3[/tex]

Step-by-step explanation:

[tex](x+3)(x+1)= \\\\(x)(x)+(x)(1)+(3)(x)+(3)(1)= \\\\x^2+x+3x+3= \\\\x^2+4x+3[/tex]

Hope this helps!

TheAnimeGirl

Answer:

[tex] {x}^{2} + 4x + 3 \\ solution \\ (x + 3)(x + 1) \\ = x(x + 1) + 3(x + 1) \\ = {x}^{2} + x + 3x + 3 \\ = {x}^{2} + 4x + 3[/tex]

hope this helps...

Good luck on your assignment....