Question

(х³+7³):(8²-7²)=?
ХЕЛП ПЖ СРОЧНЯК НАДО МОЛЮ

Answer 1

$( {x}^{3} + {7}^{3} ) \div (64 - 49) = ( {x}^{3} + {7}^{3} ) \div 15 = \frac{ {x}^{3} + {7}^{3} }{15} = \frac{ {x}^{3} + 343 }{15}$