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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
 one year ago
 one year 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
 one year ago
 one year ago

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

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

georgejafaculesBest ResponseYou've already chosen the best response.0
but what does that mean?
 one year ago

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

georgejafaculesBest ResponseYou've already chosen the best response.0
so would it be A?
 one year ago

zepdrixBest ResponseYou've already chosen the best response.2
ya that sounds right c: x=2 is the only solution
 one year ago

febylailaniBest ResponseYou've already chosen the best response.0
(x2)(x2)=0 x=2 :)
 one year ago
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