Select the correct answer. Solve the equation using the method of completing the square. (3x)^2+24x-24=0

Markovuksanovic asked May 18, 2023

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Markovuksanovic asked May 18, 2023

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22 votes

$(3x)^2+24x-24=0\\\\ \bold{(3x)^2+2\cdot3x\cdot4+4^2}-4^2-24=0\\\\(3x-4)^2-16-24=0\\\\\large\text{$\bold{(3x-4)^2-40=0}$}$

Maxeth answered May 25, 2023

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