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23-01-2017
Mathematics

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2x2 − 2z4 + y2 − x2 + z4 if x = −4, y = 3, and z = 2.

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23-01-2017

2(-4)2=-16
-2(2)4=-16
(3)2=6
-(-4)2=8
(2)4=8
8+8=16+6=22-16=6-16=-10
-10 is the final answer.

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