Answer: x=4, -1
Step-by-step explanation:
Assuming you meant , the zeros of the question are x = 4 and -1.
Step 1. Replace f(x) with y.
Step 2. To find the roots of the equation, replace <em>y</em> with 0 and solve.
Step 3. Factor the left side of the equation.
Step 4. Set x-4 equal to 0 and solve for <em>x</em>.
Step 5. Set equal to 0 and solve for <em>x</em>.
The solution is the result of and .