ahmad06ansari
ahmad06ansari
09-10-2020
Mathematics
contestada
9 - x2 + 2xy - y2
Factorise
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carolmartelotte2020
carolmartelotte2020
09-10-2020
9-x.2+2xy-y.2
9-2x+2xy-2y
-2x+2xy-2y+9
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