Bạn tham khảo:
a/$x\sqrt{x}-4$$\sqrt{x}$
=$(x-4)$$\sqrt{x}$
b/$4x\sqrt{x}-16$$\sqrt{x}$
=$4(x-4)$$\sqrt{x}$
c/$x-\sqrt{x}$
=$\sqrt{x}($$\sqrt{x}-1)$
d/$3\sqrt{x}-2x$
=$\sqrt{x}(3-$$\sqrt{x})$
t/$x+3\sqrt{x}-4$
=$x+4\sqrt{x}-$$\sqrt{x}-4$
=$(\sqrt{x}+4)($$\sqrt{x}-1)$
u/$x-6\sqrt{x}+5$
=$x-5\sqrt{x}-$$\sqrt{x}+5$
=$(\sqrt{x}-5)($$\sqrt{x}$ -1)
v/$2x+3\sqrt{x}+1$
=$2x+2\sqrt{x}+$$\sqrt{x}+1$
=$(\sqrt{x}+1)(2$$\sqrt{x}+1)$
s/$3x-4\sqrt{x}-7$
=$3x+3\sqrt{x}-7$$\sqrt{x}-7$
=$(\sqrt{x}+1)(3$$\sqrt{x}-7)$
HỌC TỐT
@Chin..................
