ОДЗ: x≠4, x≠ -4
3x+4-x²=0
x²-3x-4=0
D= 9+16=25
x1= (3+5)/2= 4 - не корень
x2= (3-5)/2= -1
Ответ: x= -1
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1) eto
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ОДЗ: x≠4, x≠ -4
3x+4-x²=0
x²-3x-4=0
D= 9+16=25
x1= (3+5)/2= 4 - не корень
x2= (3-5)/2= -1
Ответ: x= -1
скачай Photomath
1) eto