Diketahui (×+3)^2 (×^2-5×+6)=

[tex](x + 3)^{2} ( {x}^{2} - 5x + 6) = ( {x}^{2} + 6x + 9)( {x}^{2} - 5x + 6) = {x}^{4} + {x}^{3} - {15}^{ {x}^{2} } - 9x + 54 \\ \\ semoga \: membantu = )[/tex]