Diketahui p(x) = 2×4 – 3×3 + 2×2 – 6 dan g(x) =

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3×3 – 6×2 + 12x + 4. Hasil penjumlahan p(x) + 9(x)
adalah
a. 2×4 – 4×2 + 12x + 2
b. 2×4 – 4×2 + 12x – 2
c. 2×4 – x3 – 4×2 + 12x – 2
d. x4 – 8×2 + 12x – 2
e. x3 – 4×2 + 12x – 2

Diketahui p(x) = 2×4 – 3×3 + 2×2 – 6 dan g(x) =

p(x) + g(x) \ \ = 2 {x}^{4} - 3 {x}^{3} + 2 {x}^{2} - 6 + 3 {x}^{3} - 6 {x}^{2} + 12x + 4 \ \ = 2 {x}^{4} + 0 - 4 {x}^{2} + 12x- 2 \ \ = 2 {x}^{4} - 4 {x}^{2} + 12x - 2

Jadi, Jawabannya adalah B.

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