Answer:
[tex]x^{2} - 3x - 28[/tex]
Step-by-step explanation:
Step 1: Foil out the expression
[tex](x + 4)(x - 7)[/tex]
[tex](x * x) + (x * -7) + (4 * x) + (4 * -7)[/tex]
[tex](x^{2}) + (-7x) + (4x) + (-28)[/tex]
[tex]x^{2} - 3x - 28[/tex]
Answer: [tex]x^{2} - 3x - 28[/tex]
