If (x + 2) is a factor of x\(^2\) +px – 10, find the value of P.
- 3
-
-3
- 7
- -7
The correct answer is: B
Explanation
x + 2 = 0
x -2
x\(^2\) = px - 10 = 0
(-2)\(^2\) - 2p - 10 = 0
4 - 2p - 10 = 0
\(\frac{-2p}{-2} = \frac{6}{-2}\) \(\to\) p = -3