Kana81
15.12.2020 •
Mathematics
LEO has $30. He splits it with his sister in the ratio 3:2. How much money does leo have left?
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Ответ:
Ответ:
x={2,3}
Step-by-step explanation:
√5x-6=x
5x-6=x^2
x^2-5x+6=0
x^2-3x-2x+6=0
(x^2-3x)-(2x-6)=0
x(x-3)-2(x-3)=0
(x-2)*(x-3)=0
x-2=0
x=2
x-3=0
x=3