- 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

Ashish Mohan asked Feb 23, 2023

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27 votes

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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

Ashish Mohan asked Feb 23, 2023

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22 votes

Answer:

(x-3)^2 =21

Explanation:

$~~~~~~~x^2-6x-12=0\\\\\implies x^2 -6x +9-21=0 \\\\\implies x^2 -2\cdot x \cdot 3 +3^2=21\\\\\implies (x-3)^2 =21$

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