Evaluate the following expression using the values given.

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

numerical answers expected!

Most of the information's required for solving this question is already given. It is important to put the values correctly and then solve to find the answer.

2x2 - 2z4 + y2 - x2 + z4 = 2(-4)^2 - 2(2)^4 + (3)^2 - (-4)^2 + (2)^4
                                       = (2 * 16) - (2 * 16) + 9 - 16 + 16
                                       = 32 - 32 + 9 -16 + 16
                                       = 9
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