Question

(х+5)(х в квадрате+х-6)​

Answer 1

$(x + 5)( {x}^{2} + x - 6) = \\ \\ \\ {x}^{3} + {x}^{2} - 6x + 5 {x}^{2} + 5x - 30 = \\ \\ \\ {x}^{3} + {6x}^{2} - x - 30.$