6х^(2)-29х+303х^(2). Created by 00angel. algebra-ru

6х^(2)-29х+303х^(2)...

August 2022 1 7 Report

6х^(2)-29х+30<=0
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5х+2>3х^(2)

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gkrasavin 6х²-29х+30≤0
5х+2<3x²

D=(-29)²-4×6×30
D=841-720=121
x=29+11/12=40/12=10/3
x=29-11/12=18/12=1,5

5x+2-3x²<0
3x²-5x-2>0
D=25+24=49

x=5+7/6=2
x=5-7/6=-1/3

Ответ:-1/3 до 1,5(-1/3 не входит 1,5 входит

2 votes Thanks 3

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