1.

: Subtract 15a -4b-e from the sum of the polynomials 3a + 2b+ c and140-3b 8e

Answer»

(3a+2b+c) +(14a-3b+8c) - (15a-4b-7c)= 18a-15a + 6b-3b +9c+7c= 3a +3b +16c



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