\(x^3-3x^2-x+2\)
\(=x^3-2x^2-x^2+2x-x+2\)
\(=\left(x-2\right)\left(x^2-x-1\right)\)
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
rut gon (x^2-2)(1-x) + ( x+3)(x^2-3x+9)
1) CMR: 543-54 khong la so chinh phuong
2) Tim x:
2(x-2).(x+3)-x2+4=0
3) Rut gon
a)2(x+1)2-3(x-1)2+(x+2).(5-x)
b)(3x-1)3+(3x-1)3-6x2+9
4) A= (x-5).(x+2)+3.(x-2).(x+2)-(3x-1)2+5x2
a) rut gon A
b) tinh a khi x =1/2
rut gon phan thức 3x^2-11xy+6y^2/x^3+3x-3xy-9y
giúp mình với ạ cần gấp lắm rùi
Rut gon A=3x^3-7x^2+5x-1 / 2x^3-x^2-4x+3
rut gon bieu thuc a,(3x+2)^2+4x-3^2+2(5x-2)(5x+2)-75x^2
b,(x-2)^3+(2x+1)^3++2(x+2)(1-x)-9x^3+2x
rut gon a=[2/3x-2/x+1(x+1/3x-x-1)] : x-1/x
RUT GON PHAN THUC
\(\frac{y^2-x^2}{x^3-3x^2y+3xy^2-y^3}\)
rut gon cac bieu thuc
2x(2x+1)2 - 3x(x+3)(x-3) - 4x (x+1) 2
Rut gon bieu thuc sau: 2x*(2x-1)2-3x*(x+3)2-4x*(x+1)2