phân tích đa thức sau thành nhân tử

a, \(x^2-y^2-6x+9\)

b,\(x^3+4x^2+4x\)

c,\(4xy-4x^2-y^2+9\)

giup mk vs ai nhanh mk vote ạ

1.     If you………………….( check) the car, it…………………(not/ break) down in the middle of the desert.

2.     If it………………..(not/ rain), the childen………………..( play) outside.

3.     If my parents……………….(not/ be) so tired, they……………..( watch) the film on TV

4.     If she …………………( buy) a new hard disk, she……………..(not/ lose) all data

5.     If we…………………( use) the town map, we………………..(not/ get) lost.

6.     If Tom…………………( eat) more salad. He………………(not/ catch) a cold.

7.     If the police……………..(not/ stop) me, I……………………..( reach) you in time

8.     If his older brother………………….(not/ drive) so fast, he…………………………. (not/ crash) into the other the car.

9.     If Fred………………(not/ cheat) at the test, his teacher………………….(not/phone) his father

If I…………………(not/ switch off) the radio, I………………..( know) about the second 

Tìm x

a, x(x-3)+(x-3)=0

b, 7x(x-5)-x+5=0

ai nhanh mk sẽ vote ạ

Phân tích đa thức sau thành nhân tử

a, \(2^3\)+ 4\(^2\)+6x

b,x\(^2\)-4

c,x\(^2\)-10+25

d,x\(^3\)-4

e,x\(^2\)+xy-3x-3y

g,x\(^2\)-y\(^2\)-4x+4

Giup mk vs ạ bạn nào nhanh mk sẽ vote ạ