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Mathematics, 22.07.2019 04:10 haleyturkey

2points
which of the following equations demonstrate that the set of polynomials is
not closed under the certain operations?
o
a. division: (3? - 5x+3) (x-5) = x+ 3
o
b. division: (x2 + x)=(x+1)=x
o
c. subtraction: (3x4 + x) - (-2x4 + x®) - 5x4
o
d. multiplication: (x? - 5x+3)(x-5) - x - 10x2 + 28x - 15
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