Các câu hỏi tương tự
Giai PT:
a,\(x^2-7x+\sqrt{x^2-7x+8}=12\)
b,\(\sqrt{3x^2+12x+16}+\sqrt{y^2+4x^2+13}=5\)
c.\(\sqrt{x-3}+\sqrt{5-x}=x^2-8x+18\)
giải pt\(\sqrt{16-8x+x^2}=4-x\)
\(\sqrt{4x^2-12x+9}=2x-3\)
Giai pt
\(2\sqrt{2x+4}+4\sqrt{2-x}=\sqrt{9x^2+16}\)
giai pt
\(2\sqrt{-x^4+8x^3-21x^2+8x}=x^3+5x^2+5x+3\)
Giải pt
\(\sqrt{x^2-8x+16}-x=2\)
\(3\sqrt{x}-2\sqrt{9x}+\sqrt{16x}=5\)
\(\sqrt{x^2-5x-6}=x-2\)
\(\sqrt{x^2-8x+16}=4-x\)
\(\sqrt{x^2-2x}=2-x\)
\(\sqrt{2x+27}-6=x\)
giải pt:
a) \(4\sqrt{x-2}+\sqrt{9x-18}-\sqrt{\dfrac{x-2}{4}}=26\)
b) \(3x+\sqrt{4x^2-8x+4}=1\)
c) \(\left(2\sqrt{x}+1\right)\left(\sqrt{x}-2\right)=7\)
giúp mk vs ạ mk cần gấp
Rút gọn các biểu thức sau
a)\(\sqrt{5+2\sqrt{6}}-\sqrt{5-2\sqrt{6}}\)
b)\(\sqrt{4+2\sqrt{3}}+\sqrt{4-2\sqrt{3}}\)
c)\(x-4+\sqrt{16-8x+x^2}\left(x>4\right)\)
Help me plsss
\(\left(1\right)\sqrt{x^2-9}-2\sqrt{x-3}=0\)
\(\left(2\right)\sqrt{4x+1}-\sqrt{3x-4}=1\)
\(\left(3\right)\sqrt{x^2-10x+25}=5-x\)
\(\left(4\right)\sqrt{x^2-8x+16}=x+2\)