X2+0.5x-14<0 gdhehteevbrhreeeeeeeeeeeeee

Question

X2+0.5x-14<0 gdhehteevbrhreeeeeeeeeeeeee

Answer 1

Решение смотри на фотографии

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Answer 2

D=b^2-4ac
D=0.25-4*1*(-14)=0.25+56=56.25=7.5
x1=-0.5+7,5=7=3,5
x2+-0.5-7,5=-8=-4