answersLogoWhite

0

x3 + 13x2 + 42x

= x(x2 + 13x + 42)

= x(x2 + 6x + 7x + 42)

= x[x(x + 6) + 7(x + 6)]

= x(x + 7)(x + 6)

User Avatar

Wiki User

14y ago

What else can I help you with?