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`A=2x+3xy+7x^(2),B=3x-2y-5x^(2) and C=2xy-6x^(2)-3x`. Find the value of A+B+C. |
Answer» Correct Answer - `8x-xy +8x^(2)` `A+B-c=(2x+3xy+7x^(2))+(3x-2xy-5x^(2))` `-(2xy-6x^(2)-3x)` `=(2x+3xy+7x^(2)+3x-2xy-5x^(2)-2xy+6x^(2)+3x)` `=(2x+3x+3x)+(3xy-2xy-2xy)+7x^(2)-5x^(2)+6x^(2)` `=8x+(3xy-4xy)+(13x^(2)-5x^(2))` `8x-1xy+8x^(2)` |
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