Question

Find the value of m that will make the expression x4 – 5xº + mx equal to -1, when x = -1 ​

Answer 1

Step-by-step explanation:

X4 - 5x + MX = 1

-1*4-5*-1+M*-1 = 1

-4+5-1M = 1

1-1M = 1

1M = 1+1 = 2

M = 2/1 = 2

Thus, M = 2

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Answer 2

Answer:

-8

Step-by-step explanation:

x° means 1

x4 -1 + mx

x=-1

-1×4 -5 + (-m)= -1

-4-5-m=-1

-9-m= -1

-m= -1+9

-m= 8

m=-8