/2x+x-3/greater than or equal -5 [tex]2x { }^{2} + x - 3 \geqslant - 5 \\ [/tex]
Mathématiques
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Question
/2x+x-3/greater than or equal -5
[tex]2x { }^{2} + x - 3 \geqslant - 5 \\ [/tex]
[tex]2x { }^{2} + x - 3 \geqslant - 5 \\ [/tex]
1 Réponse
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1. Réponse MargeSimpson1
Hello
= 2x²+x-3⩾-5
= 2x²+x-3+5⩾0
= 2x²+x+2⩾0
2x²+x+2=0
x∉ℝ
2x²+x+2⩾0, a=2
x∈ℝ
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