changoblanco858
changoblanco858
09-10-2017
Mathematics
contestada
4 more to go please help me pass
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zrh2sfo
zrh2sfo
09-10-2017
(5x^7y^2)(-4x^4y^5)=-20x^a y^b
-20 x^11 y^7 = -20 x^a y^b
a = 11, b = 7 thus a: is you answer
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