dickersonjayda dickersonjayda

17-05-2017
Mathematics

contestada

What number to add to the equation to complete the square x^2+4x=0

Respuesta :

17-05-2017

4 can be the number you add to complete the square 2×2=4 and 2+2=4 (the 4 on 4x)
x^2+4x+4

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weber229 weber229

17-05-2017

I believe you're looking for the answer 4. If 4 is added to the equation you get x^2 +4x+4=0 which reduces to (x+2)^2

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