contestada

Which of the following statements describes one part of completing the square for x^2 + 4x = 32?
a. Take the square root of 36 and add 2.
b. Take the square root of 32 and subtract 2.
c. Take the square root of 36 and subtract 2.

Respuesta :

Benjamin16
[tex]x^{2}+4x=32 \\ \\ x^{2}+4x+4=36 \\ \\ (x+2)^{2}=36 \\ \\ |x+2|=6 \\ \\ x+2=6 \ \vee \ x+2=-6 \\ \\ x=4 \ \vee \ x=-8[/tex]

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