Question

Rozloz wielomiany na czynniki :

a).X3+3x2-5x-15=

b).8x4-8x3-x-1=

c).4x5-12x4+4x3-12x2+1-3=

d).x3+2x2-16x-32=

e). x3+2x2-7x-14=

f).x5-2x4-2x3+4x2+x-2=

Answer 1

a)x2(x+3)-5(x+3)=(x-5)(x+3)

b)8x3(x-1)+1(x-1)=(8x3+1)(x-1)

c)4x4(x-3)+4x2(x-3)-4=(x-3)(4x4+4x2-4)=4(x4+x2-1)(x-3)

d)x2(x+2)-16(x+2)=(x+2)(x2-16)

e)x2(x+2)-7(x+2)=(x+2)(x2-7)

f)x4(x-2)-2x2(x-2)+1(x-2)=(x-2)(x4-2x2+1)