SOLUTION: Find the value of d such that u2-12u+d is a perfect square

SOLUTION: Find the value of d such that u2-12u+d is a perfect square

Algebra.Com

Question 146425: Find the value of d such that

u2-12u+d
is a perfect square
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
You are looking for the perfect square such that,

When you expand the left hand side, you get,

In your example,

When you match up values,

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