SOLUTION: Z2-4z+4

Algebra.Com
Question 984335: Z2-4z+4
Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

...I guess you need to factor it; if yes, then




but, if you need to solve for , then you will have to meke it equal to zero first

if => (one double solution)


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