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Complete the square for x^2+5x
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2 votes
Complete the square for x^2+5x

User Richard Hpa
by
6.2k points

1 Answer

3 votes

Answer:

(x +
(5)/(2) )² -
(25)/(4)

Explanation:

Given

x² + 5x

To complete the square

add/ subtract ( half the coefficient of the x- term )² to x² + 5x

= x² + 2(
(5)/(2) )x +
(25)/(4) -
(25)/(4)

= (x +
(5)/(2) )² -
(25)/(4)

User RaphaelH
by
5.8k points
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