1. Factorise the numerator by grouping.
2x2+4xy−3x−6y=2x(x+2y)−3(x+2y)=(x+2y)(2x−3)
2. Factorise the denominator as a quadratic expression.
2x2+xy−6y2=(2x−3y)(x+2y)
3. Cancel the common factor and write the simplified expression.
2x2+xy−6y22x2+4xy−3x−6y=(2x−3y)(x+2y)(x+2y)(2x−3)=2x−3y2x−3
答案x−2y2x−3