Question

If (x -1 ) is a factor of the polynomial 5x³ - m x² + 7x - 4, then what is the value of m? *

4
5
7
8

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Answer 1

Answer:

8

Step-by-step explanation:

x-1 is factor then 1 is root of equation

5(1)^3-m(1)^2+7(1)-4 =0

5-m+7-4=0

m=8