Các câu hỏi tương tự
Tìm x liên quan đến lũy thừa:
1, \(\left(3x-\dfrac{1}{5}\right)^2=\left(\dfrac{-3}{25}\right)^2\)
2, \(\left(2x-\dfrac{1}{3}\right)^2=\left(\dfrac{-2}{9}\right)^2\)
3, \(\left(\dfrac{1}{3}-x\right)^2=\dfrac{9}{25}\)
4, \(\left(5-x\right)^2=25\)
Tìm x, biết: \(\left(x-10\right)+\left(x-9\right)+...+\left(x-1\right)=-2015\)
27 tháng 8 2023 lúc 20:19
Tìm x:
a) \(\dfrac{1}{3}.x+\dfrac{2}{5}\left(x-1\right)=0\)
b)\(-5.\left(x+\dfrac{1}{5}\right)-\dfrac{1}{2}.\left(x-\dfrac{2}{3}\right)=x\)
c)\(\left(x+\dfrac{1}{2}\right).\left(\dfrac{2}{3}-2x\right)=0\)
d)\(9.\left(3x+1\right)^2=16\)
Tìm x để: \(\left(x^3+1\right)\left(x^3+9\right)\left(x^3+20\right)\left(x^3+30\right)< 0\)
31 tháng 8 2021 lúc 8:44
Tìm x thuộc N biết:
a, \(\left(x-9\right)^4=\left(x-9\right)^7\)
b, \(\left(3x-15\right)^{10}=\left(3x-15\right)^{15}\)
c, \(\left(x-8\right)^3=\left(x-8\right)^6\)
\(\left(\frac{1}{1\times2}+\frac{1}{2\times3}+...+\frac{1}{9\times10}\right)\left(x-1\right)+\frac{1}{10}x=x-\frac{9}{10}\)
tìm X
Tìm x biết:
\(\left(2x+\frac{1}{3}\right)\left(\frac{3}{4}x-6\right)-\left(3x-\frac{2}{3}\right)\left(\frac{1}{2}x-\frac{6}{9}\right)=1\)
Tìm x thuộc N sao (x khác 0 ý). Giúp mk vs! 2 tick nhé!
\(\frac{1}{1.3}+\frac{1}{3.5}+...+\frac{1}{x\left(x+2\right)}=\frac{50}{102}\)
tìm x biết:
a)\(\left(2.x+3\right)-\left(5.x-17\right)=9\)
b)\(\left(\frac{1}{5}+\frac{4}{5}.x\right)-\left(\frac{2}{5}.x+\frac{1}{9}\right)=\frac{3}{7}\)
có cả lời giải mới tik