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Danpel
@Danpel
April 2022
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Решите плз это легкое уравнение )
даю 15 баллов
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irinaorlova2
X(x-4)+x(x+4)=5 5\9(x^2-16)
9x^2-36x+9x^2+36x\9(x^2-16)=50(x^2-16)\9(x^2-16)
18x^2=50x^2-800
18x^2-50x^2=-800
-32x^2=-800
x^2=-800^(-32)
x^2=25
x=5 x=-5
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Answers & Comments
9x^2-36x+9x^2+36x\9(x^2-16)=50(x^2-16)\9(x^2-16)
18x^2=50x^2-800
18x^2-50x^2=-800
-32x^2=-800
x^2=-800^(-32)
x^2=25
x=5 x=-5