Respuesta :
First factor x² + 13x + 42.
x² + 6x + 7x + 42
x(x + 6) + 7(x + 6)
The factors are : (x + 7)(x + 6)
Solution: B. x + 7
x² + 6x + 7x + 42
x(x + 6) + 7(x + 6)
The factors are : (x + 7)(x + 6)
Solution: B. x + 7