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SEREDA0025
@SEREDA0025
July 2022
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РЕШИТЕ УРОВНЕНИЯ ПЖ 7 КЛАСС
(2x-3)(4x^2+6x+9)-8x^3=2.7x
(3+4x)(16x^2-12x+9)-64x^3=-10x
Если что Это ^ степень
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limonka2599
(2x-3) (4x²+6x+9)-8x³=2.7x
8x³-27-8x³=2.7x
-27=2.7x
x=-10
_______________________
(3+4x)(16x²-12x+9)-64x³=-10x
48x²-36x+27+64x³-48x²+36x-64x³=-10x
27=-10x
-10x=27
x=2.7
6 votes
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Answers & Comments
8x³-27-8x³=2.7x
-27=2.7x
x=-10
_______________________
(3+4x)(16x²-12x+9)-64x³=-10x
48x²-36x+27+64x³-48x²+36x-64x³=-10x
27=-10x
-10x=27
x=2.7