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Ray Of Light [21]
2 years ago
10

Just the image below.

Mathematics
1 answer:
nlexa [21]2 years ago
5 0

Answer:

1) 2x^3-2x^2+4x+20

Step-by-step explanation:

line up the equations, having each variable aligned with the similar variable, and distribute the minus sign across the parenthesis

7x^3              + 4x + 13

-(5x^3 + 2x^2          - 7)

---------------------------------

2x^3 - 2x^2 +4x +20

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