Question

5x²y-2xy+6 for x=-1 and y=2
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Answer 1

Answer:

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Answer 2

Answer:

$5 {x}^{2} y - 2xy + 6 \: for \: x = - 1 \: and \: y = 2 \\ 5 \times {( - 1)}^{2} \times 2 - 2 \times ( - 1) \times 2 + 6 \\ 10 + 4 + 6 = \boxed{20}$

20 is the right answer.