Question

if (-2) is a factor of x^3-mx^2+10x-20 find value ofout what m

Answer 1

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Answer 2

Step-by-step explanation:

x-2 is factor of given polynomials

p(2) = 0

p(X) = x³-mx²+10x-20

p(2) = (2)³-m(2)²+10×2-20

0 = 8-4m+20-20

0 = 8-4m

4m = 8

m = 8/2

m = 2