Question

как решить ?

Answer 1

10 - 3X^2 - 5X + 2 $\leq$ 0
-3X^2-5X+12 $\leq$ 0
3X^2+5X-12$\geq$ 0
3X^2+5X-12=0
Д= 25 + 4*3*12=169= 13^2
X= (-5 +- 13) \ 6= 8\6= 4\3 ;  -3
ОТВЕТ X1= 4\3 ; X2= -3.
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Answer 2

How to Solve the Issue

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