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Adding and Subtracting Polynomials. When adding and subtracting polynomials , you can use the distributive property to add or subtract the coefficients of like terms. Use the commutative property to group like terms. (Recall that "like terms" are monomials with the same variables, such as 3 x 2 y and 82 x 2 y .)
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3×2 + 3×-b
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Picture no working.
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Are no the answer :)
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20
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When looking for the perimeter just add all the numbers together.