b) When factorising quadratic expressions in the formax2+bx +c Remember: Expressions with three terms likex2+6x +5and2x2+5x +3are known as a trinomials. 3. Differences of two squares Using the difference of two squares: Explain how to factorise expressions ...
Power Point presentation, 6 slides, Explaining with examples how to factorise quadratic expressions of the form ax² bx c splitting the middle term, based on IGCSE Extended level Syllabus.
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...
Factorising expressions cbxax 2 It'sstandardformis quadratic Situation2:Thedifferenceof twosquares )3( 22 x e.g 9 2 x One square Aminus sign Another square )3)(3( xx Exercises ))((yxyx4343 22 169yx2. Whatabout?4 2 x Can’tdoit!It’sNOTadifference )2(3xx xx63 2 1. Situation3...
WOW, what great and easy way to write complex expressions, I used other Algebra software, it prefer going to hell more than writing complex expressions, it need a professional to use them, but this Algebrator, is perfect. Jon Maning, NM ...