### Home > A2C > Chapter 11 > Lesson 11.3.4 > Problem 11-171

11-171.

If

*f*(*x*) =*x*^{2}+ 7*x*, calculate the values described below. Homework Help ✎*f*(2)*f*(−3)*f*(*i*)*f*(−3.5 + 1.5*i*)Solve

*f*(*x*) = 0

For parts (a)-(d), substitute the value for *x* and simplify.

*x* = −14.5

Factor *x*^{2} + 7*x* = 0.

*x* = 0 and *x* = −7