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What number must be added to the expression below to complete the square? x^2 - 22x

What number must be added to the expression below to complete the square? x^2 - 22x
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1 vote
What number must be added to the expression below to complete the square? x^2 - 22x

User Shizhen
by
7.8k points

1 Answer

4 votes
121 must be added to the expression.
So, x²-22x+121=(x-11)²

Good luck
User Robert Foss
by
7.7k points
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