\(5x^2-12x+4\)
\(=5x^2-10x-2x+4\)
\(=\left(5x^2-10x\right)-\left(2x-4\right)\)
\(=5x\left(x-2\right)-2\left(x-2\right)\)
\(=\left(x-2\right)\left(5x-2\right)\)
Đúng 0
Bình luận (0)
5x2-12x+4=5x2-10x-2x+4
=(5x2-10x)-(2x-4)
=5x(x-2)-2(x-2)
(5x-2)(x-2)
Đúng 0
Bình luận (0)
