\(\left(x+1\right)^2-\left(x+2\right)^2=0\)
\(\Rightarrow\left[\left(x+1\right)+\left(x+2\right)\right]\left[\left(x+1\right)-\left(x+2\right)\right]=0\)
\(\Rightarrow\left[2x+3\right]\left(-1\right)=0\)
\(\Rightarrow2x+3=0\)
\(\Rightarrow2x=-3\)
\(\Rightarrow x=-\frac{3}{2}\)
Vậy ...
choP=(1/(x-2)-x^2/(8-x^3)*(x^2+2x+4)/(x+2)0/1/(x^2-4) tim DKXD va rut gon b tim Min p c tim x nguyen de p chia het cho x^2+1
cho x>0,y>0, x+y=2012.
a, tim GTLN cua A= (2x^2+8xy+2y^2)/ (x^2+2xy+y^2)
b, tim GTNN cua B=(1+(2012/x))^2+(1+(2012/y))^2
1) TIM X
a)3x(x-1)+x-1=0
b) 2 (x+3)-x^2-3x =0
bài 1: tim x, biết
a,x.(x - 2) + x - 2 = 0
b,x3 + x + x + 1 = 0
c,5x.(x - 4) = 2x + 8
d,(5x - 4)2 - 49x2 = 0
tim x
x(x+1)(x+2)(x+3)+1=0
tim x:
(x-1)(x+2)(x+3)(x-6) + 32x^2 = 0.
Tim x:
1.\(\left(2x+1\right)\left(x-1\right)-x\left(2x-3\right)+3=0\)
2.\(\left(x^2+x-2\right)\left(x^2-x-2\right)-x^2\left(x^2-2\right)+8=0\)
tim x biet
(x-2)^2-(-x+1)=0
