https://olm.vn/hoi-dap/tim-kiem?q=GPT+:+x4+x3-8x2-9x=9&id=203022
https://olm.vn/hoi-dap/tim-kiem?q=GPT+:+x4+x3-8x2-9x=9&id=203022
GPT: x4 - 6x + 1 = 2(x + 4)\(\sqrt{2x^3+8x^2+6x+1}\)
gpt \(x^{11}+3x^{10}+x^9+3x^8+x^7-3x^6-17x^5+3x^4+x^3+3x^2+x+3=0\)
gpt : \(\sqrt{\dfrac{x^2-2x+1}{x^2-6+9}}=0\)
Giải các phương trình sau:
a) \(\sqrt{x^2-9}-\sqrt{x^2-6x+9}=0\)
b) \(\sqrt{x^2-4}-x^2+4=0\)
c) \(\sqrt{2x-1}=x-3\)
1)
a) gpt \(\sqrt{5-3x}+\sqrt{x+1}=\sqrt{3x^2-4x+4}\)
b) ghpt \(\left\{{}\begin{matrix}2xy+4x+3y+6=0\\4x^2+y^2+12x+4y+9=0\end{matrix}\right.\)
Giải phương trình:
a) \(\sqrt{x^2-6x+9}+x=11\)
b) \(\sqrt{3x^2-4x+3}=1-2x\)
c) \(\sqrt{x-3}-2\sqrt{x^2-9}=0\)
d) \(\sqrt{4x^2-4x+1}=\sqrt{x^2-6x+9}\)
e) \(\sqrt{x+4\sqrt{x-4}}=2\)
Giai pt : \(\sqrt{x^2-9}+\sqrt{x^2-6x+9}=0\)
giải các phương trình sau
1, √x^2+4x + √ x^2/2 -8 =0
2, √ x-1 + √ x^2 -3x +2 =0
3,√ 2+x +√ 4x^2-6x-10 =0
4, √ x^2 -9 + √x^2 -4x+3 =0
5, √ -2x^2 +3x+5 +√2x^2 -7x -15 =0
gpt \(x^4+2x^3-2x-5=0\)