Answer:
x^2 + 12x + 35
Step-by-step explanation:
Use the FOIL approach to find the product of (x+m)(x+n); it is x^2 + mx + nx + mn.
Next, substitute 5 for m and 7 for n in this x^2 + mx + nx + mn:
x^2 + 5x + 7x + 35, or
x^2 + 12x + 35
This end result cannot be simplified or evaluated further.
