ALGEBRA

Formule varie


a+b=a+ba-b=a-ba*b=aba:b=a/b +*+=++*-=--*+=--*-=+ (a+b)^2=a^2+2ab+b^2 4x^2-7x+34x^2-4x-3x+34x(x-1)-3(x-1)(x-1)(4x-3)