Question

simplify and verify the results for x=2 y=-1: 1/6(+2xsquare-10ysquare )(2xsquare+2)+5
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Answer 1

Answer:

1/6(+2xsquare-10ysquare )(2xsquare+2)+5

x=2 y=1

1/2(2*2²-10*1²)(2*2²+2)+5

1/2(8-10)(10)+5

1/2*-2*10+5

-5

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