(3x + 2) (2x - 1) = ax^2 + kx + n . What is the value of a - n + k ? Choose the correct answer:
A) 5	B) 8	C) 9	D) 10	E) 11
Expanding we have 6x^2 - 3x + 4x -2   6x^2 + x - 2   Taking coefficients, a = 6, k= 1, n = -2   Therefore a - n + k = 6 - (-2) +1 = 8 + 1= 
<gadget id="calculator">8 + 1</gadget>
<output>9</output>
9   The answer is 9.
<result>C</result>
(3x + 2) (2x - 1) = ax^2 + kx + n . What is the value of a - n + k ?