(X + Y) 2 + 9 (X + Y) + 8
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Answered by
3
2(x+y)+9(x+y)+8 (correct Question)
=2x+2y+9x+9y+8
(opening the brackets)
=2x+9x+2y+9y+8.
=11x+11y+8.
Answered by
1
Answer:
the answer of this question will be x+y equal to -8/11
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