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b. 2x pangkat 2 +17xy + 2y
8 m^{2} -6m-3m+6n
8m^{2}-9m+6n
b.7y+3x(4y-x)-5y(1-x)+5 x^{2}
7y+12xy-3 x^{2} -5y+5xy+5 x^{2}
2y+15xy+2x^{2}
semoga terbantu :)