Question

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

Answer 1

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