plz answer!!!!!!!!!

6. 16n^2-72n+81 7. 16y^2+8y+1 8. 36m^2+60m+25
in Algebra 1 Answers by Level 1 User (320 points)

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1 Answer

????????? yu agin ???????

16 x^2 -72x +81.7=0

me get roots=2.25 +- 0.209165007i  (komplex variabels)

b62-4ac=-44.8

sqroot(-44.8)=6.693280212i

sqroot/2a=0.209165007
by

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