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Sagot :

PAN59
Resoudre les équation suivante
3x(x+1)=2(1-x)

3x(x+1) - 2(1-x) = 0
3x²+3x-2+2x = 0
3x²+5x-2 = 0

delta = 49
racine(delta) = 7

x1 = - 2 
x2 = 1/3

x²=1-x/6

x²+x/6-1 = 0
x²+1/6x-1 = 0

delta = 4,03

x1 = -1,087
x2 = 0,92

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