Ответы 1
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это неравенство, а не уравнение
9(4x^2-9)<0
4x^2-9<0
(2x-3)(2x+3)<0
-1,5<x<1,5
(-1,5; 1,5)
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Автор:
makena - 6 лет назад
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0
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Помогите!! Пожалуйста нуб в уравнениях. 0.8x-(0.7+0.36)=7.1 5(x-10)-3(x+25)=2*(0.3x+1)
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