Phân tích nhân tử 18x^9 + 6x^8 + 16x^6 + 72x^5+ 164 29/08/2021 Bởi Ximena Phân tích nhân tử 18x^9 + 6x^8 + 16x^6 + 72x^5+ 164
18x^9 + 6x^8 + 16x^6 + 72x^5+ 164 =2^9.3^9+2^8.3^8+2^8+2^9+164=2^8.3^8(2.3+1)+2^8(2+1)+164 =2^8.3^8.7+2^8.3+164 =2^8(3^8.7+3)+164 =2^2.2^6(3^8.7+3)+2^2*41 =2^2.[2^6(3^8.7+3)+41] Bình luận
18x^9 + 6x^8 + 16x^6 + 72x^5+ 164
=2^9.3^9+2^8.3^8+2^8+2^9+164=2^8.3^8(2.3+1)+2^8(2+1)+164
=2^8.3^8.7+2^8.3+164
=2^8(3^8.7+3)+164
=2^2.2^6(3^8.7+3)+2^2*41
=2^2.[2^6(3^8.7+3)+41]
18x^9 + 6x^8 + 16x^6 + 72x^5+ 164 = 2(9x^9+3x^8+8x^6+36x^5+82)