3⁴⁵ + 5 x 3⁴⁴ - 3⁴³ = 3⁴³ x 23
= 3⁴³ x 3² + 5 x 3 x 3⁴³ - 3⁴³ x 1 =
= 3⁴³ x ( 3² + 15 - 1 ) =
= 3⁴³ x ( 9 + 14 ) =
