1 Answer

Gabor Szarnyas · Answer 1 · 2024-12-12T02:07:25+0000

61/4-(x-5/2)^2

Step-by-step explanation:
1. Rearrange

x^2+5x-9

2. Divide the coefficient of x by 2 squared.

[x^2+5x+(5/2)^2-(5/2)^2-9]

4. Put the first terms into ( )^2

(x+5/2)^2-64/1

5. Rearrange

61/4-(x-5/2)^2

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