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Basile [38]
4 years ago
14

What equation results from completing the square and then factoring? x^2 +4x=5

Mathematics
1 answer:
Free_Kalibri [48]4 years ago
4 0

Answer:

A. (x+2)^2 = 9

Step-by-step explanation:

To complete the square, you add the square of half the x-coefficient.

... x^2 +4x +(4/2)^2 = 5 + (4/2)^2

... x^2 +4x +4 = 9

Factoring gives you ...

... (x +2)^2 = 9 . . . . . . matches selection A

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