simplify: 7x^3-3x^y+xy^2-x^2y-y^3
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Chapter 7 Algebraic Expressions ...
Simplifying the given expressions, we have. (i ) 7x3y + 9yx3 = (7 + 9)x3y = 16x3y. (ii) 12a2b ... (i) x3 -2x2y + 3xy2- y3, 2x3- 5xy2 + 3x2y - 4y3 ... x + 5x + 3x – 3y + 7y – 2y – 2z .
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