Solve the equation 2a(^2) – 3a – 27 = 0
- A.
3/2, 9 - B.
-2/3, 9 - C.
3, 9/2 - D.
-3, -9/2 - E.
-3, 9/2
Correct Answer: Option E
Explanation
2a(^2) – 3a – 27 = 0
2a(^2) – 9a + 6a – 27 = 0
a(2a – 9) + 3(2a – 9) = 0
(a + 3)(2a – 9) = 0
a = -3 or a = (frac{9}{2})