Explain without a calculator why the inequality http://www.mathway.com/math_image.as...020?p=172?p=22 has no solution????

i noe how to do this with a calcl but i dont noe how to explain it....plzzz help????

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- Oct 4th 2012, 08:25 PMkoolaid123Inequality question without the use of a calculator
Explain without a calculator why the inequality http://www.mathway.com/math_image.as...020?p=172?p=22 has no solution????

i noe how to do this with a calcl but i dont noe how to explain it....plzzz help???? - Oct 4th 2012, 09:05 PMTheEmptySetRe: Inequality question without the use of a calculator
- Oct 4th 2012, 09:56 PMProve ItRe: Inequality question without the use of a calculator

Each term is always nonnegative, so their sum is always nonnegative.

Edit: of course, completing the square in this case proves to be pointless, as your function is already the sum of even-powers which always yield nonnegative results, as the post above me points out.