Given that x+y=9 and x-y=3, Find the value of xy
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1
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Answered by
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Answer:
88
Step-by-step explanation:
LET X BE 1
1 + Y = 9
Y =9 -1
Y=8
SO
X - 8 (Y = 8 FOUND) = 3
X =8 +3
X =11
SO XY = 11 *8
=88
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