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anonymous
 3 years ago
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
anonymous
 3 years ago
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

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zepdrix
 3 years ago
Best ResponseYou've already chosen the best response.2Write it in that nice quadratic form first of all! c: \[x^2 4x + 4 = 0\] then lets see.. hmmmm

zepdrix
 3 years ago
Best ResponseYou've already chosen the best response.2looks like it is a nice perfect square, doesn't it? c: do ya see it?? :D

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0but what does that mean?

zepdrix
 3 years ago
Best ResponseYou've already chosen the best response.2the equation simplifies really nicely to\[(x2)^2 = 0\] so hmm solving for x.. we can square both sides of this equation.

zepdrix
 3 years ago
Best ResponseYou've already chosen the best response.2ya that sounds right c: x=2 is the only solution
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