Question

What value for c will make the expression a perfect square trinomial?

x2 – 7x + c

Answer 1

I assume the first part of that equation is x^2. -7/2= 3.5 ; 3.5^2=12.25 sooo it should end up as x^2-7x + 12.25. but I might be wrong.

Answer 2

x = –9
x = –3
x = 0
x = 6