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OpenStudy (anonymous):
simplify ^3√-343x^3 = my answer is -7x is this correct
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OpenStudy (mathteacher1729):
I don't understand the question. Click the "equation" button and type your equation that way. :) It looks like it's asking... \[\sqrt[3]{-343x^3}\] but I want to make sure.
OpenStudy (anonymous):
yes it must be since 343 is a perfect cube. \[7^3=343\] so you have \[\sqrt[3]{-343x^3}=-7x\]
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