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леночечики
@леночечики
August 2022
1
12
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1)4х2-7х-2=0
2)3х2+8х-3=0
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Nyli
1) 4x2-7x-2=0
решение:
8-7x-2=0
-7x=0-8+2
-7x= -6
x= 6:7
x=6/7
Ответ: x=6/7
2) 3X2+8x-3=0
Решение:
6+8x-3=0
8x=0-6+3
8x=-3
x= -3:8
x= - 3/8
Ответ: x= -3/8
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Answers & Comments
решение:
8-7x-2=0
-7x=0-8+2
-7x= -6
x= 6:7
x=6/7
Ответ: x=6/7
2) 3X2+8x-3=0
Решение:
6+8x-3=0
8x=0-6+3
8x=-3
x= -3:8
x= - 3/8
Ответ: x= -3/8