Question

Evaluate (-m) + m - m² + m - 1 for m = -1.
(A) - 5
(B) -3
(C) + 5
(D) + 3​

Answer 1

Answer:

(-m)+m-$m^2$+m-1

=[-(-1)]-1-$(-1)^2$-1-1

=(1)-1-1-1-1

=-1-1-1-1

=-4

I hope you understand

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