anonymous
  • anonymous
Which of the following is equivalent to x2 < -2x? x x x x -2 0 -2 -1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
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anonymous
  • anonymous
@iGreen
iGreen
  • iGreen
Well, you can divide 'x' to both sides. \(\sf x^2 < -2x\) \(\sf \dfrac{x^2}{x} < \dfrac{-2}{x}\)
iGreen
  • iGreen
It cancels on the right, giving us: \(\sf \dfrac{x^2}{x} < -2\) Now simplify the left side

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anonymous
  • anonymous
please I still do not understand @iGreen
iGreen
  • iGreen
\(\sf x^2 \rightarrow x \cdot x\) So we have: \(\sf \dfrac{x \cdot x}{x} < -2\) Cancel out one of the \(\sf x\)'s on the top and one of the \(\sf x\)'s on the bottom.
anonymous
  • anonymous
so is it x ?
iGreen
  • iGreen
Yes, it just leaves us with 'x'. So our final answer is: \(\sf x < -2\)
anonymous
  • anonymous
@iGreen thank you so much
iGreen
  • iGreen
Np

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