When the expression 3x^2 - 28x + 55 is written in the form a(x + d)^2 + e, where a,d , and e are constants, then what is the sum a+d+e?
3 (x^2 - 28/3 x) + 55
3 ( x - 14/3)2 - 196/3 +55
3 (x-14/3)2 -31/3
take it from here ....
