beauty19 beauty19

29-11-2016
Mathematics

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What is the value of the expression 2x2+3xy-4y2when x=2 and y=4

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Selahhh Selahhh

29-11-2016

The answer is 32 .....

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mchapman9243 mchapman9243

29-11-2016

I got -4 as the answer.

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