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4 votes
What number must you add to complete the square? x2 + 10x = 14

2 Answers

1 vote
The square of half the linear coefficient...(10/2)^2=25

x^2+10x+25=39

(x+5)^2=39
User MrKulli
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5 votes

The right answer is 25

User RamPrakash
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