Question

(а+6)^3-27 разложить на множители

Answer 1

${(a + 6)}^{3} - 27 = (a + 6 - 3) \times ( {(a + 6)}^{2} + (a + 6) \times 3 + 9) = (a + 3)( {a}^{2} + 15a + 63)$