### Home > A2C > Chapter Ch11 > Lesson 11.2.5 > Problem 11-104

11-104.

Factor.*f*(*x*) = (*x* + 3)(*x* − 4)

(−3, 0) and (4, 0)

Use the quadratic formula.

(−1.5, 0) and (3, 0)

See part (b).

See part (b).

It does not intersect the *x*-axis.

*x* is a common factor.

After you factor out *x*, factor or use the quadratic formula to find the roots of the rest.

See part (e).