Algebramedium · Past Paper
Find the value of m if x^3 - 3x^2 + mx - 10 is divisible by x - 5.
A-8
B8
C-10
D10
✓ Correct Answer: A — -8
P(5) = 125 - 75 + 5m - 10 = 0 => 40 + 5m = 0 => m = -8.
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