Mathematics, 23.03.2021 16:40 Edith21

Sarah Is demonstrating the idea that polynomials are closed under addition her work and explanation are shown Part A add 3x^4+6x-7 to
A 2x^3-(2x)^2+4x^-1
B (2x)^2+4.4x-9
C(-8x)^-2 -(3x)^3+7
Part B Is in the picture

Sarah Is demonstrating the idea that polynomials are closed under addition her work and explanation

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