1.

39y3(50y2-98)26y2(5y-7)​

Answer»

39 {}^{3} (50y {}^{2}  - 98) = 1950y {}^{5}  - 3822y {}^{3}

26y {}^{2} (5y - 7) = 130y {}^{3}  - 182y {}^{2}



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