Решите неравенства:
1)(3x-7)^2>=(7x-3)^2
2)(5x-4)^2>=(4x-5)^2
3)x^2(x^2+9)=4(x^2+4)
4)(x-2)(x-1)^2>=0
5)(x-6)(x+2)^2>=0
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Решите неравенства:
1)(3x-7)^2>=(7x-3)^2
2)(5x-4)^2>=(4x-5)^2
3)x^2(x^2+9)=4(x^2+4)
4)(x-2)(x-1)^2>=0
5)(x-6)(x+2)^2>=0
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Answers & Comments
1)9х*2-49=49х*2-9
9х*2-49х*2=-9+49
-40х*2=40
х*2= -1
2) 25х*2-16=16х*2-25
25х*2-16х*2=-25+16
9х*2=-9
х*2=-1