Question

the factors of ( 1 - 6z + 9z^2 )

Answer 1

9z^2-6z+1

9z^2-3z-3z+1

3z (3z-1)-1 (3z-1)

(3z-1)(3z-1)=0

z=1/3
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Answer 2

Step-by-step explanation:

side of a square with area for 4X square + 2 X + 9 square units is