Question

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Answer 1

1. (2$x^{5}$ + 4$x^{4}$ + 8$x^{2}$ + 9x + 10) + (4$x^{4}$ + 7$x^{3}$ - 4$x^{2}$ - 6x + 2) = 2$x^{5}$+8$x^{4}$+7$x^{3}$ +4$x^{2}$+3x+12

2. (2$x^{5}$ + 4$x^{4}$ + 8$x^{2}$ + 9x + 10) + ($x^{5}$ - 2$x^{2}$ - 8) = 3$x^{5}$+4$x^{4}$+6$x^{2}$+9x+2

3. (4$x^{4}$ + 7 $x^{3}$- 4$x^{2}$ - 6x + 2) + ($x^{5}$ - 2$x^{2}$ - 8) = $x^{5}$+4$x^{4}$+7$x^{3}$-6$x^{2}$-6x-6

4. (2$x^{5}$ + 4$x^{4}$ + 8$x^{2}$ + 9x + 10) + (4$x^{4}$ + 7$x^{3}$ - 4$x^{2}$ - 6x + 2) + ($x^{5}$ - 2$x^{2}$ - 8) = 3$x^{5}$+8$x^{4}$+7$x^{3}$ +2$x^{2}$ +3x+4