3 years ago

PLEASE ANSWER!!

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

7 0

D
${x}^{2} + 2xy \\ { ( - 3)}^{2} + 2( - 3)(5) \\ 9 + 2( - 15) \\ 9 + ( - 30) \\ - 21$

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