d, 6x2-xy-y2
=6x2-3xy+2xy-y2
=3x(2x-y)-y(2x-y)
=(2x-y)(3x-y)
d, 6x2-xy-y2
=6x2-3xy+2xy-y2
=3x(2x-y)-y(2x-y)
=(2x-y)(3x-y)
Phan tich thanh nhan tu ( bang ki thuat bo sung hang dang thuc )
5x^2 + 14x -3
5x^2 -18x-8
6x^2+7x-3
x^2-xy-2y^2
Phan tich da thuc thanh nhan tu : x2 - 4x -y2+4
phan tich thanh nhan tu
a)5x^2-4x-1
b)x^3-9x
Phân tích đa thức thành nhân tử:
a) x 2 - 5x + 6; b) 3 x 2 + 9x - 30;
c) 3 x 2 - 5x - 2; d) x 2 -7xy + 10 y 2 ;
e) x 3 -7x-6; g) x 4 + 2 x 3 + 6x - 9;
h) x 2 -2x - y 2 +4y - 3.
phan tich da thuc thanh nhan tu x2+2xy+7x+7y+10
phan tich da thuc thanh nhan tu : a) 3x^2 - 22xy + 4x + 8y + 7x^2 + 1 ; b) 12x^2 + 5x - 12y^2 + 12y - 10xy - 3 ; c)x^4 + 6x^3 + 11x^2 + 6x + 1
Phan tich thanh nhan tu x^3-7x+6 x^3-9x^2+6x+16 lam nhanh mik tick cho
phan tich da thuc thanh nhan tu
a)a^2x+a^2y-7x-7y
b)x^4-x^3-x+1
c)x.(x+1)^2+x.(x-5)-5.(x+1)^2
d)a^3-a^2x-ay+xy
phan tich Da thuc thanh nhan tu a) x^2-8x+16-y^2 b)x^2+9x+18 c) x^3-7x-6