Situation1:FactorisingquadraticFindingcommonfactorsexpressions（分解二次表达式）x3xe.g.2 means2 bxc so,xisafactorofbothterms.2So,x3xx(x3)commonfactor Situation2:Thedifferenceoftwosquares e.g x9(x3)(x3)(x3)2 22 AminussignAnotherOnesquaresquare Ex...
Starter Factorising Method When using the factorising method to solve a quadratic equation, the equation must always equal zero If it doesn’t, re-arrange the equation to make it equal to zero! Quadratics This quadratic equation would have two possible solutions This quadratic equation would have ...