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20 points!!!! What number needs to be added to both sides of the equation in order to complete the square? x²+16x=18 ( x² + 16 +_____= 18+______

20 points!!!! What number needs to be added to both sides of the equation in order to complete the square? x²+16x=18 ( x² + 16 +_____= 18+______
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5 votes
20 points!!!! What number needs to be added to both sides of the equation in order to complete the square?

x²+16x=18

( x² + 16 +_____= 18+______

asked
User Uzhas
by
7.6k points

2 Answers

1 vote

(x^2 + 16 + 8^2 = 18 + 8^2

answered
User Sai Nikhil
by
8.4k points
4 votes
you would add 16 to both sides 
answered
User Denkweite
by
8.0k points
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