WAEC - Further Mathematics (2010 - No. 8)

If (x - 3) is a factor of \(2x^{2} - 2x + p\), find the value of constant p.
-12
-6
3
6

Explanation

Using remainder theorem, since x - 3 is a factor, then 

given \(2x^{2} - 2x + p\), f(3) = 0

\(2(3^{2}) - 2(3) + p = 0 \implies 18 - 6 = -p\)

\(p = -12\)

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