Bonjour svp aidez moi ;)

25x²+10x+1=0
2x²+3x=0

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Grade: Education Subject: mathematiques
Bonjour svp aidez moi ;)

25x²+10x+1=0
2x²+3x=0
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Answer (65)

Best Answer
(183)
Δ=10² - 4*25=0
donc x=-10/50=-1/5

2x²+3x=0
x(2x+3) = 0
Soit x = 0 ; Soit 2x+3 =0
                  Donc x = -3/2
(159)
25x²+10x+1=0
(5x+1)²=0
5x+1=0
x=-1/5

2x²+3x=0
x(2x+3)=0
x=0 ; x=-3/2