9514 1404 393
Answer:
(c) x = -1, and x = 7
Explanation:
Multiplying the equation by x gives ...
x^2 -7 = 6x
x^2 -6x -7 = 0 . . . . . standard form
(x -7)(x +1) = 0 . . . . . factored form
The solutions are the values of x that make the factors zero:
x = -1, x = 7