short formula wrote:What is the formula for short multiplication of the following expression: [tex](a + b + c)^2 = ?[/tex]
the formula is [tex](a + b + c)^2 = a^2+b^2+c^2+2ab+2ac+2bc[/tex] if you want to know how you can get that conclusion yourself assume that p=a+b and than just use the regular formula (p+c)^2=p^2+c^2+2pc now just replace p with a+b and you will get the formula above