SOLUTION: Y2-6y=-5
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Question 634357
:
Y2-6y=-5
Answer by
checkley79(3341)
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Y^2-6Y=-5
Y^2-6Y+5=0
(Y-5)(Y-1)=0
Y=5=0
Y=5 ANS.
Y-1=0
Y=1 ANS.
PROOFS:
5^2-6*5=-5
25-30=-5
-5=-5
1^1-6*1=-5
1-6=-5
-5=-5