Question

a) x2 – x;

b) 5x2(x – 2y) – 15x(x – 2y);

c) 3(x – y) – 5x(y – x).

 

Answer 1

đề yêu cầu j vậy em?

Answer 2

\(a,x^2-x=x\left(x-1\right)\\ b,5x^2\left(x-2y\right)-15x\left(x-2y\right)=\left(5x^2-15x\right)\left(x-2y\right)=5x\left(x-3\right)\left(x-2y\right)\\ c,3\left(x-y\right)-5x\left(y-x\right)=3\left(x-y\right)+5x\left(x-y\right)=\left(5x+3\right)\left(x-y\right)\)