eduardodm420 eduardodm420

04-05-2022
Mathematics

contestada

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Which equation has the same solution as x2 - 6x - 12 = 0?
A (x + 3)2 = 21
B (x - 3)2 = 21
(x + 3)2 = 3
Dx-3) = 3

Respuesta :

loneguy loneguy

04-05-2022

Answer:

[tex](x-3)^2 =21[/tex]

Step-by-step explanation:

[tex]~~~~~~~x^2-6x-12=0\\\\\implies x^2 -6x +9-21=0 \\\\\implies x^2 -2\cdot x \cdot 3 +3^2=21\\\\\implies (x-3)^2 =21[/tex]

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