Write down the quadratic expression 3x2-5x-2 in the form (ax-b)(x+c).
The probability of obtaining "0" at the end of the binary sequence is 0.6.
(a). Write down the quadratic expression 3x2-5x-2 in the form (ax-b)(x+c).
(b). Hence, or otherwise, find the coefficient of the term in x9 in the expansion of (3x2-5x-2)2.