How would you solve this?

Mathematics
Tutor: None Selected Time limit: 1 Day

How would you solve this? x squared -4x=-4

Nov 26th, 2014

x^2 - 4x + 4 = (x-2)^2

sqrt(x-2)^2 = 0

x-2 = 0

(x =2)

thanks


Nov 26th, 2014

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