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Vladlena07
@Vladlena07
July 2022
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Kixcertborn2
Verified answer
8x²-3/5 - 5-9x²/4=2
8x²-3/5 - 5-9x²/4 -2=0
4*(8x²-3)-5(5-9x²)-40/20 =0
32x²-12-25+45x²-40/20 =0
77x²-77/20 =0
77x²-77=0
77x²=77
x²=1
x=(+-) 1
x₁=1
x₂=-1
Ответ:
x₁=1
x₂=-1
1 votes
Thanks 2
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Answers & Comments
Verified answer
8x²-3/5 - 5-9x²/4=28x²-3/5 - 5-9x²/4 -2=0
4*(8x²-3)-5(5-9x²)-40/20 =0
32x²-12-25+45x²-40/20 =0
77x²-77/20 =0
77x²-77=0
77x²=77
x²=1
x=(+-) 1
x₁=1
x₂=-1
Ответ:x₁=1
x₂=-1