(-4)2 + 2(-4) = 16 - 8 = 8
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Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.
54
(a + 2 - b) (a + 2 + b)
2752 = 75625 42 = 16 32 = 9 22 = 4 75625/16 + 9 + 2 = 4737.5625
4(x+y)^2