Question

Hi guys !!
I read somewhere that in quadratic polynomial if the signs of all the terms are same then the zeros are negative.but in the following polynomial such thing is not followed .pls explain

ANSWERS WITH FULL EXPLANATION WOULD BE APPRECIATED ​

Answer 1

ok

HERE ALL ARE NEGATIVE EXCEPT X^2

SO YOUR THEORY /LAW

ANYTHING WON'T WORK

Answer 2

yes u are r8 but signs of all terms are not same.....