rochelle2180
rochelle2180 rochelle2180
  • 11-08-2020
  • Mathematics
contestada

Always true, sometimes true, never true?

(x-1)(1+3)>0, x<1​

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maddymellin75 maddymellin75
  • 11-08-2020
Never true, because then x would be less that 1, and that would mean it would have to be 0 or below. And if you subtract 0 or below from -1, your going to get a negative number. And then you have to multiply that negative number by 4. And 0 can not be less than that so therefor it’s never true.
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