Some Algebra Formula Squre (a+b)²= a²+2ab+b² (a-b)²= a²-2ab+b² a²-b²= (a +b)(a -b) (a+b)²= (a-b)²+4ab (a-b)²= (a+b)²-4ab a² + b²= (a+b)²-2ab. a²… byMigfied Academy
