Question

(a)
28. If (x + 2) and (x - 1) are factors of the polynomial p(x) = x³ + 10x² + mx +n
then
(a) m=5, n=-3
(c) m = 7, n=-18
(b) m=17, n=-8
(d) m=23, n=-19​

Answer 1

Step-by-step explanation:

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