Question

6x3,- 4x2, 5x3, 7x2, 8 Add monomial
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Answer 1

Answer:

47

Step-by-step explanation:

6×3= 18

-4×2= -8

5×3= 15

7×2=14

8

18+(-8)+15+14+8

18-8+15+14+8

47

Answer 2

Answer:

$= 11{x}^{3}+ 3 {x}^{2} + 8$

Step-by-step explanation:

$= 6 {x}^{3} + ( - 4 {x}^{2} ) + 5 {x}^{3} + 7 {x}^{2} + 8 \\ = 6 {x}^{3} + 5 {x}^{3}- 4 {x}^{2} + 7 {x}^{2} + 8 \\ = 11{x}^{3}+ 3 {x}^{2} + 8$

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