Factorise: x2+x4-18
We need to factorise x2+x4-18:
x2+x4-18=x2+x2-x4-18=xx+12-14x+12=x+12x-14
Hence. the factors of the given polynomial x2+x4-18 are x+12 and x-14
Factorise: x2−8x