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.Find the value of-4x2y2+6xy+ 8x + 12y-1, when x=-2, y =-1. |
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Answer» -4x²y²+6xy+18x+12y x=-2 y=-1 -4(-2)²(-1)²+6*2+18(-2)+12(-1) -4*4+12-16-12 -16+12-12-16 =-32 |
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