Các câu hỏi tương tự
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 thuộc z:
\(a,\left(x^2+5\right)\left(x^2-25\right)=0\)
\(b,\left(x-2\right)\left(x+1\right)=0\)
\(c,\left(x^2+7\right)\left(x^2-49\right)< 0\)
\(d,\left(x^2-7\right)\left(x^2-49\right)< 0\)
\(e,\left(x-1\right)\left(x-2\right)\left(x^2+4\right)>0\)
GIÚP MIK VS, MIK CẦN GẤP
\(e.\left(x-2\right).\left(x+2\right)<0\)\(d.\left(_{-x^2-7}\right).\left(x+1\right)>0\)\(c.\left(x^2+5\right).\left(x-3\right)>0\)\(a.\left(x^2-3\right).\left(2x+10\right)=0\)\(b.\left(x-2\right)^2-25=0\)
\(\left(x^2+5\right).\left(x-3\right)>0\)
\(\left(-x^2-7\right).\left(x+10\right)>0\)
\(\left(x-2\right).\left(x+2\right)< 0\)
\(\left(x-2\right)^2-25=0\)
\(\left(x^2+1\right).\left(x-2\right).\left(x+3\right)>0\)
Tìm các số nguyên x thỏa mãn :a, left(x-2right)left(x-7right) 0b, left(x^2-3right)left(x^2-10right) 0c, left(x^2-1right)left(x^2-4right)left(x^2-7right)left(x^2-10right) 0d, left(x^3+5right)left(x^3+10right)left(x^3+15right)left(x^3+30right) 0
Đọc tiếp
Tìm các số nguyên x thỏa mãn :
a, \(\left(x-2\right)\left(x-7\right)< 0\)
b, \(\left(x^2-3\right)\left(x^2-10\right)< 0\)
c, \(\left(x^2-1\right)\left(x^2-4\right)\left(x^2-7\right)\left(x^2-10\right)< 0\)
d, \(\left(x^3+5\right)\left(x^3+10\right)\left(x^3+15\right)\left(x^3+30\right)< 0\)
Tìm x \(\in\)Z , biết:
a)(\(\left(x-4\right).\left(x+7\right)=0\)
b)\(x.\left(x+3\right)=0\)
c)\(\left(x-2\right).\left(5-x\right)=0\)
d)\(\left(x-1\right).\left(x^2+1\right)=0\)
Tìm x, biết :
a) \(\left(\frac{3}{4}.x-\frac{9}{16}\right).\left(\frac{1}{3}+\frac{-3}{5}:x\right)=0\)
b) \(\left(x-\frac{1}{3}\right).\left(x+\frac{2}{5}\right)>0\)
c) \(\left(x+\frac{3}{5}\right).\left(x+1\right)< 0\)
Tìm x, biết :
a) \(\left(\frac{3}{4}.x-\frac{9}{16}\right).\left(\frac{1}{3}+\frac{-3}{5}:x\right)=0\)
b) \(\left(x-\frac{1}{3}\right).\left(x+\frac{2}{5}\right)>0\)
c) \(\left(x+\frac{3}{5}\right).\left(x+1\right)< 0\)
Tìm xin Z:a. 2timesleft(x-5right)-3timesleft(x-4right)left(-6right)+15timesleft(-3right)b.left(2x-5right)-722c.left(2timesleft|xright|-6right)times1144d.left|x+3right|+left|x+5right|+left|x+9right|4xe.left|x-1right|+left|x-5right|4g.x+left(x+1right)+left(x+2right)+.......+1000
Đọc tiếp
Tìm \(x\in Z\):
a. \(2\times\left(x-5\right)-3\times\left(x-4\right)=\left(-6\right)+15\times\left(-3\right)\)
b.\(\left(2x-5\right)-7=22\)
c.\(\left(2\times\left|x\right|-6\right)\times11=44\)
d.\(\left|x+3\right|+\left|x+5\right|+\left|x+9\right|=4x\)
e.\(\left|x-1\right|+\left|x-5\right|=4\)
g.\(x+\left(x+1\right)+\left(x+2\right)+.......+100=0\)