

A. (x-3 )*(x+5 )-x(x+2 )
B. ([tex]\small 25x^{6}y^{5}-10x^{5}y^{6}+35x^{5}y^{5}[/tex] )[tex]\small \div[/tex] [tex]\small 5x^{5}y^{5}[/tex]
B. ([tex]\small 25x^{6}y^{5}-10x^{5}y^{6}+35x^{5}y^{5}[/tex] )[tex]\small \div[/tex] [tex]\small 5x^{5}y^{5}[/tex]