Gpt: bằng 2 cách
\(x^4+x^2+4x-3=0\)
Gpt: \(x^2+2\sqrt{x-1}-2x\sqrt{2-x}+1=0\)
GPT: x2-2x+1=0
GPT: x2+5x-6=0
GPT: m2 - 4m +12= 0
GPT : 3x2 - 5x- 2=0
GPT :
\(x^3-4x^2+5x-1-\sqrt{2x-3}=0\)
GPT :
\(2x^2+7x+1+\left(2x-1\right)\sqrt{x^2+1}=0\)
GPT nghiệm nguyên
1, \(x^2-xy+y^2-4=0\)
2,\(5y^2+8y^2=20412\)