Question

Which quadratic equation is equivalent to (x – 4)2 – (x – 4) – 6 = 0?

A. (u – 4)2 – (u – 4) – 6 = 0 where u = (x – 4)
B. u2 – (u – 4) – 6 = 0 where u = (x – 4)
C. u2 – 16 – u – 6 = 0 where u = (x – 4)
D. u2 – u – 6 = 0 where u = (x – 4)

Answer 1

D.) u^2 - u-6 = 0 where u = (x-4)

Explanation: