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nignag [31]
3 years ago
6

What are the solutions for the equation 3(5x-1)^2=27

Mathematics
1 answer:
amm18123 years ago
4 0
See, pls, the suggested explanation:
3(5x-1)²=27 ⇔ 75x²-30x-24=0 ⇔ 25x²-10x-8=0 ⇒
\left[\begin{array}{ccc}x= \frac{5-15}{25} \\x= \frac{5+15}{25} \end{array}\right \ =\ \textgreater \  \   \left[\begin{array}{ccc}x=- \frac{2}{5} \\\ x= \frac{4}{5} \end{array}\right
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