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Addition and Subtraction of Algebraic Expressions
Addition and Subtraction of Algebraic Expressions
Last updated at Oct. 25, 2021 by Teachoo
Ex 12.2, 4 (a) What should be added to x2 + xy + y2 to obtain 2x2 + 3xy? (x2 + xy + y2) + Expression = (2x2 + 3xy) Expression = (2x2 + 3xy) − (x2 + xy + y2) Putting like terms below like terms and subtracting them Answer is x2 + 2xy − y2