Factorise x2+√2x−24
x2+√2x−24=x2+4√2x−3√2x−24=x(x+4√2)−3√2(x+4√2)=(x+4√2)(x−3√2)
Factorise x2−2√2x−30
Factorise :
x2−36
Factorise x2−x−156
x2−y2−2y−1