Q3B Subtract : 6y2 – 5xy + 2x² from 5x2 - 4xy – 3y2
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Chapter 7 - Algebraic ...
(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy ... 5x3+ 3x3 + 3x3- x3- 5x2 + 2x2 - 2x2 - x2- x2 + 6x - 9x + 4x - 9x + x + 7 - 8 - 4 = 11x3 - x3 ... x2 - 6y2 + 3xy ...
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it's = 3x² - 1xy + 3y²
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hope it helps you
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