Here's the question you clicked on:
georgejafacules
Find the type and number of solutions for the equation. x^2 - 4x = -4 A)one distinct real solution B)two distinct real solutions C) two distinct nonreal complex solutions
Write it in that nice quadratic form first of all! c: \[x^2 -4x + 4 = 0\] then lets see.. hmmmm
looks like it is a nice perfect square, doesn't it? c: do ya see it?? :D
but what does that mean?
the equation simplifies really nicely to\[(x-2)^2 = 0\] so hmm solving for x.. we can square both sides of this equation.
so would it be A?
ya that sounds right c: x=2 is the only solution
(x-2)(x-2)=0 x=2 :)