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Multiply: 9x^{2} + 25y^{2} + 15xy + 12x − 20y + 16 by 3x − 5y + 4

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× | 2x^{2} |
−2xy | x^{4}y^{3} |
2xyz | (___)xz^{2} |

x^{4} |
|||||

(___) | 4x^{5}y^{4} |
||||

−x^{2}y |
|||||

2y^{2}z |
−10xy^{2}z^{3} |
||||

−3xyz | |||||

(___) | −14xyz^{2} |

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