Respuesta :
Answer:
see explanation
Step-by-step explanation:
letting u = x - 4 means the equation can now be expressed as a quadratic
u² - u - 6 = 0 ← quadratic equation in u
Answer:
[tex]u^2 - u - 6 = 0[/tex]
Step-by-step explanation:
We are given [tex](x - 4)^2 - (x -4) -6 = 0[/tex] and u = x - 4
Now we have to replace (X - 4) by "u".
So, we get
[tex]u^2 - u - 6 = 0[/tex]
Here the highest degrees of the equation is 2. Which is called a quadratic equation.
The general form of quadratic equation is [tex]ax^2 + bx + c = 0[/tex], where a≠ 0.
Therefore, the answer is [tex]u^2 - u - 6 = 0[/tex]