17.3k views
9 votes
Someone help me out lol

Someone help me out lol-example-1
User Raymond
by
8.6k points

2 Answers

9 votes

Answer:

see explanation

Explanation:

To complete the square

add ( half the coefficient of the x- term )²

x² + 14x

= x² + 2(7)x + 49

= (x + 7)²

----------------------------------------

x² - 8x

= x² + 2(- 4)x + 16

= (x - 4)²

-----------------------------------------

x² + 5x

= x² + 2(
(5)/(2) )x +
(25)/(4)

= (x +
(5)/(2)

User Demaniak
by
8.3k points
7 votes

Answer:

(1)+49

(x+7)^2

(2) +16

(x+16)^2

(3) +25/4

(x+5/2)^2

User Arvindh
by
8.3k points

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