Answered

2√x+3 = √x+6
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Sagot :

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Réponse:

=> 2(x+3)²=(x+6)²

=> 2(x²+6x+9)=x²+12x+36

=> 2x²+12x+18=x²+12x+36

=> x²=18

=> x=✓18

=> x=4.24