Explanation:
(((2•(x2))•y)-(5x•(y2)))-3y3
(((2 • (x2)) • y) - 5xy2) - 3y3
((2x2 • y) - 5xy2) - 3y3
2x2y - 5xy2 - 3y3 = y • (2x2 - 5xy - 3y2)
5.2 Factoring 2x2 - 5xy - 3y2
Found a factorization : (x - 3y)•(2x + y)
Final result :
y • (x - 3y) • (2x + y)