Answer:
[tex]x^2 + 11x + 28[/tex]
Step-by-step explanation:
(x + 7)(x + 4) = x(x + 4) + 7(x + 4) = x*x + x*4 + 7*x + 7*4 = x*x + 11*x + 28
2x+12
Common like terms
