1.

2) FactorisĂŠ ĂĽnd urviu3 Prove that (9x-5y)2 + 180xyoxt5p

Answer»

(9x-5y)² + 180xy(9x)² + (5y)² - 90xy + 180xy(9x)² + (5y)² + 90xy (9x+5y)²



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