\(ĐK:x\ge0\\ PT\Leftrightarrow\left(\sqrt{x}-2\right)\left(\sqrt{x}-3\right)=0\\ \Leftrightarrow\left[{}\begin{matrix}\sqrt{x}=2\\\sqrt{x}=3\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}x=4\\x=9\end{matrix}\right.\)
giai cac ptr sau
a,\(x^4-5x^2+4=0\)
b,\(2x^4-3x^2-2=0\)
c,\(x-5\sqrt{x}-6=0\)
giai cac phuong trinh sau
a) x + 5 can x - 6 =0
b) x - can x + 1/4 = 0
giai cac phuong trinh sau
a) x + 5 can x - 6 =0
b) x - can x + 1/4 = 0
giai cac phuong trinh sau
a) x + 5 can x - 6 =0
b) x - can x + 1/4 = 0
Giai hptr
\(\left\{{}\begin{matrix}\left(y+x\right)^2-5\left(y+x\right)-6=0\\y-x-3=0\end{matrix}\right.\)
Giai cac phuong trinh sau
a)x^2- 10=0
b)2x^2- 6=0
c)x^2- can bac 5=0
giai phuong trinh va he phuong trinh sau:
x2 + 5x -6=0
b{4x+5y=3
{x-3y=5
giai mau giup toi nhe cac ban
1 Giai phương trình:
\(\sqrt{x+9}=5-\sqrt{2x}+4\)
\(\sqrt{x+6}+\sqrt{x-3}-\sqrt{x+1}-\sqrt{x-2}=0\)
giai phuong trinh
x*(2x+3)2 -4x2+9=0
\(x-\sqrt{x-3}-5=0\)
\(x^3-4x^2-3x+6=0\)
\(3x^3+4x^2-5x-6=0\)
\(\sqrt{x^2+4x+8}+\sqrt{x^2+4x+4}=\sqrt{2\cdot\left(x^2+4x+6\right)}\)
