## dxrules456 x^3 + 343 = 0 what does x equal please show steps!!! x^3 + 343 = 0 what does x equal please show steps!!! @Mathematics 2 years ago 2 years ago

This is a straightforward problem. Try subtracting 343 from both sides. Do you see where to go from there?

Hint: 7 is a useful number here, too.

3. satellite73

it also helps to know that $\sqrt[3]{343}=7$