x²>25
x²-25>0
x²-5²>0
(x-5)*(x+5)>0
метод интервалов:
1. (x-5)*(x+5)=0
x-5=0 или x+5=0
x₁=5, x= - 5
2.
+++++++(-5)--------(5)+++++++>x
3. x<-5, x>5
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Verified answer
x²>25
x²-25>0
x²-5²>0
(x-5)*(x+5)>0
метод интервалов:
1. (x-5)*(x+5)=0
x-5=0 или x+5=0
x₁=5, x= - 5
2.
+++++++(-5)--------(5)+++++++>x
3. x<-5, x>5