Разложите на множители (3х+5)³-216

( 3 * х + 5 ) ³ - 216 = ( 3 * х + 5 ) ^ 3 - 6 ^ 3 = ( 3 * x + 5 - 6 ) * ( ( 3 * x + 5 ) ^ 2 + 6 * ( 3 * x + 5 ) ) + 6 ^ 2 ) = ( 3 * x - 1 ) * ( ( 3 * x + 5 ) ^ 2 + 6 * ( 3 * x + 5 ) ) + 6 ^ 2 ) = ( 3 * x - 1 ) * ( ( 3 * x + 5 ) ^ 2 + 6 * ( 3 * x + 5 ) ) + 36 ) = ( 3 * x - 1 ) * ( ( 3 * x ) ^ 2 + 2 * 3 * x * 5 + 5 ^ 2 + 6 * ( 3 * x + 5 ) ) + 36 ) = ( 3 * x - 1 ) * ( (9 * x ^ 2 + 30 * x + 25 + 6 * ( 3 * x + 5 ) ) + 36 ) = ( 3 * x - 1 ) * ( (9 * x ^ 2 + 30 * x + 25 + 6 * 3 * x +6 * 5 + 36 ) = ( 3 * x - 1 ) * ( (9 * x ^ 2 + 30 * x + 25 + 18 * x + 30 + 36 ) = ( 3 * x - 1 ) * ( (9 * x ^ 2 + 48 * x + 91).