a, = 2 x 2 - 6x +9x - 27
=(x-3).2x +9.(x-3)
=(x-3).(2x+9)
b, = 2x2-6xy+xy -3y2
= 2x.(x-3y) +y.(x-3y)
= (x-3y).(2x+y)
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a, = 2 x 2 - 6x +9x - 27
=(x-3).2x +9.(x-3)
=(x-3).(2x+9)
b, = 2x2-6xy+xy -3y2
= 2x.(x-3y) +y.(x-3y)
= (x-3y).(2x+y)
phan tich da thuc thanh nhan tu :x^5+2x^4+3x^3+2x^2+2x+1
phan tich da thuc thanh nhan tu
x^2-3x+3y-y^2
phan tich da thuc sau thanh nhan tu :
\(t^2+3xt+2x^2\)
Phan tich da thuc thanh nhan tu : \(2x^2-6x+1\)
1.Viet bieu thuc sau duoi dang binh phuong cua mot tong:
2xy2 +x2y4 +1
2. Phan tich da thuc thanh nhan tu:
a) 3x2 - 7x -10
b) 2x2 -5x -7
HELP ME!!!!*!*
phan tich da thuc thanh nhan tu
\(2x^3-x^2+5x+3\)
phan tich da thuc thanh nhan tu; x4-2x2-8
ap dung tim x biet (x4-2x2-8):(x-2)=0
phan tich da thuc thanh nhan tu xy+xz+3+3y
phan tich da thuc thanh nhan tu
x3 -2x -4