Question

Solve the following subquestions. 1) Add the given polynomials x³-2x-9 , 5x³+2x+9.​

Answer 1

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Answer 2

(x3 – 2x2 – 9) + (5x3 + 2x + 9)  = x3 – 2x2 – 9 + 5x3 + 2x + 9  = x3 + 5x3 – 2x2 + 2x – 9 + 9  = 6x3 – 2x2 + 2x