From tech troubles to travel tips, IDNLearn.com has answers to all your questions. Get the information you need from our experts, who provide reliable and detailed answers to all your questions.

In the perfect square x^2+bx+c, why is the relationship between b and c C=(b/2)^2? Would the strategy work even if b is a negative? Also, would it work if b was an odd number? What would happen to c if b was odd?