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Alla5005
@Alla5005
August 2022
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x(4x+1)-7(x-2x)=3x(8-x)+6. Зарание спасибо
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egorivashkin2
X(4x+1)-7(x-2x)=3x(8-x)+6
4x
²+x-7x+14x=24x-3x²+6
4x²-16x=6
7x²-16x-6=0
D=256+168=424 = 2√106
x1=(8+√106)/7
x2=(8-√106)/7
28 votes
Thanks 24
Alla5005
а что означает галочка
egorivashkin2
квадратный корень
Alla5005
Я ще такого не вчила.але дякую
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Answers & Comments
4x²+x-7x+14x=24x-3x²+6
4x²-16x=6
7x²-16x-6=0
D=256+168=424 = 2√106
x1=(8+√106)/7
x2=(8-√106)/7