Toán Lớp 10: 1) √x ²+9 – √x ²-7=2
2) √3x ²+5x+8 – √3x ²+5x+1=1
3) √x+3 + √6-x= 3 + √(x+3)(6-x)
Giúp mk với
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Toán Lớp 10: 1) √x ²+9 – √x ²-7=2
2) √3x ²+5x+8 – √3x ²+5x+1=1
3) √x+3 + √6-x= 3 + √(x+3)(6-x)
Giúp mk với
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