Question

Phân tích đa thức thành nhân tử:

a) 6x4−11x2+36x4−11x2+3

b) 4x4+3x2−44x4+3x2−4

c) (x2+x)2−2(x2+x)−15(x2+x)2−2(x2+x)−15

d) (x2+x)2+9x2+9x+14(x2+x)2+9x2+9x+14

e) (x−y)2+4x−4y−12(x−y)2+4x−4y−12

f) (x+2)(x+4)(x+6)(x+8)+16(x+2)(x+4)(x+6)(x+8)+16

g) (x+2)(x+3)(x+4)(x+5)−24(x+2)(x+3)(x+4)(x+5)−24

h) x(x+4)(x+6)(x+10)+128

Answer 1

a) \(6x^4-11x^2+3\)

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

c)\(\left(x^2+x\right)^2-2\left(x^2+x\right)-15\)

d) \(\left(x^2+x\right)^2+9x^2-9x+14\)

e) \(\left(x-y\right)^2+4x-4y-12\)

đề này mới đúng nha