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4 votes
What number must you add to complete the square? x2 + 14x = -5

User Fylix
by
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2 Answers

5 votes
44 is your answer

x2 + 14x = -5

must add 44
to complete the square

x2 + 14x +5 + 44
=x2 + 14x +49
=(x+7)^2
User Andrew Templeton
by
8.1k points
1 vote
u take half of the x term and square it....then add to both sides

14/2 = 7.......7^2 = 49...so u add 49 to both sides
User FSP
by
7.1k points

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