Selesaikan soal al jabar berikut 4x3 + 7xy - 8x3 - 4yx + 9x2 + 6x2y - 3x2 + 5xy2

[tex]4x^3 + 7xy - 8x^3 - 4yx + 9x^2 + 6x^2y - 3x^2 + 5xy^2 \\ - 4 {x}^{3} + 6 {x}^{2} + 6 {x}^{2} y + 3xy + 5x {y}^{2} [/tex]

4x^3 + 7xy - 8x^3 - 4yx + 9x² + 6x²y - 3x² + 5xy²
= (4-8)x^3 + (9-3)x² + 6x²y +5xy² + (7-4)xy
= -4x^3 + 6x² + 6x²y + 5xy² + 3xy