\(\frac{2x+5}{x-1}=\frac{2x-2+7}{x-1}=\frac{2.\left(x-1\right)}{x-1}+\frac{7}{x-1}=2+\frac{7}{x-1}
\(\frac{2x+5}{x-1}=\frac{2x-2+7}{x-1}=\frac{2.\left(x-1\right)}{x-1}+\frac{7}{x-1}=2+\frac{7}{x-1}
(4x+2)^2+(1-5x)^2-4(2x+1)(1-5x)=0
Tìm x
2|x+1|+(y+x)2=0
Tìm x; y.
(3x-5)^15+(3y+0,4)^10=0
tìm cặp x;y
giúp mik vs
(\(x^2\)-1)\(\sqrt[]{x}\)=-0
tìm x
giúp mình nha mình tick cho
Tìm x:
\(\frac{7^{x+2}+7^{x+1}+7^x}{57}=\frac{5^{2x}+5^{2x+1}+5^{2x+3}}{131}\)
Tìm x \(\frac{7^{x+2}+7^{x+1}+7^x}{57}=\frac{5^{2x}+5^{2x+1}+5^{2x+3}}{131}\)
tìm x biết : \(\frac{7^{x+2}+7^{x+1}+7^x}{57}=\frac{5^{2x}+5^{2x+1}+5^{2x+3}}{131}\)
Tìm x
\(\frac{7^{x+2}+7^{x+1}+7^x}{57}=\frac{5^{2x}+5^{2x+1}+5^{2x+3}}{131}\)
Tìm các số nguyên x để các biểu thức sau có giá trị nguyên:
a)\(\frac{-24}{x}+\frac{18}{x}\)
b)\(\frac{2x-5}{x+1}\)
c)\(\frac{3x+2}{x-1}-\frac{x-5}{x-1}\)
d)\(\frac{5x-4}{2x+3}-\frac{2x-5}{2x+3}\)
Tìm x biết \(\frac{7^{x+2}+7^{x+1}+7^x}{57}=\frac{5^{2x}+5^{2x+1}+5^{2x+3}}{131}\)