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OpenStudy (anonymous):
how can you add and subtract polynomials????
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OpenStudy (saifoo.khan):
2x + 5 & 5x -1 (2x+5) + (5x -1) 7x + 4
OpenStudy (anonymous):
...?????????
OpenStudy (anonymous):
just add the terms in x then add the numbers you can only add like terms eg 4x + x = 5x but 4x + 1 is just 4x+ 1: it cant be simplified any further
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