Write a quadratic function \( f \) whose aares are 2 and 13.
f(x) = a(x^2 - 15x + 26)
Step 1 :f(x) = a(x - r_1)(x - r_2)
Step 2 :f(x) = a(x - 2)(x - 13)
Step 3 :f(x) = a(x^2 - 15x + 26)