(3x+5)(2x-7)
(x-5)(-x^2+x+1)
(x^2-2x-1)(x-3)
16x^3y^2:4xy^2
(24x^4+3x^3-6x):3x
(2x^2+5x+3):(2x+3)
(2x^3-5x^2+6x-15):(2x-5)
(2x4-5x^2+x^3-3-3x):(x^2-3)
(-x^3+2x^4-4-x^2+7x):(x^2+x-1)
Loga
Sinh Học lớp 12
