14 номер , help please

Question

14 номер , help please

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Answer 1

X^2+144>0  x∈(-∞;+∞)
x^2-144>0
x^2-144=0
(x-12)(x+12)=0
x1= 12
x2= -12
x∈(-∞;-12)U(12;+∞)
x^2-144<0<br>x∈(-12;12)
А-2 Б-1  В-3