1. Simplify the expression and find the value, when x = -2, y = 3 and 2 = 14
-32xz-81 - 3xy + x^2-19y^2 - 4y + 12-7yx +41xz - 5x^2 + 10y - 12
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896+18+4-171-12+12+42+1148-20+30-12
the answer is
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