Solve the equation (x – 2) (x – 3) = 12
-
A.
2, 3 -
B.
3, 6 -
C.
-1, 6 -
D.
1, -6
Correct Answer: Option C
Explanation
(x – 2) (x – 3) = 12
x2 – 3x – 2x + 6 = 12
x2 – 5x – 6 = 0
(x +1)(x – 6) = 0
x = -1 or 6
Solve the equation (x – 2) (x – 3) = 12
(x – 2) (x – 3) = 12
x2 – 3x – 2x + 6 = 12
x2 – 5x – 6 = 0
(x +1)(x – 6) = 0
x = -1 or 6