Factorise: x−64x3
x−64x3=x(1−64x2)=x(12−4x2)=x(1−4x)(1+4x)
Factorise: (x+1)3+(x−1)3
Factorise: (x+2)3−(x−2)3
Factorise: (x+2)3+(x−2)3
Factorise: (x+5)2−4(x+5)