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Maths Puzzle
it x^2-16>0 the what is the range of x
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- all values except in the range of -4 to +4.
- 11 years agoHelpfull: Yes(5) No(1)
- -4>x
- 11 years agoHelpfull: Yes(0) No(1)
- (x-4)(x+4)>0
so , -4 to 4
- 11 years agoHelpfull: Yes(0) No(0)
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