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imc

prealgebra junior

Problem

What is the value of

(2^{2} - 2) - (3^{2} - 3) + (4^{2} - 4)

(A)

1

(B)

2

(C)

5

(D)

8

Solution

(4 - 2) - (9 - 3) + (16 - 4) = 2 - 6 + 12 = 8.

This corresponds to

8 .

Final answer

D