Question

Which quadratic equation is equivalent to (x + 2)2 + 5(x + 2) – 6 = 0

Answer 1

If we expand that binomial and at the same time distribute the 5 into the set of parenthesis, what we have is this: $x^2+4x+4+5x+10-6=0$.  Combining like terms we have $x^2+9x+8=0$.  As far as I can tell, that is the answer you are looking for, although there are no choices.