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4 votes
(-7x-5x^4+5) + (7x^4 + 5 + 9 x)

1 Answer

2 votes

Answer:

2x⁴ + 2x + 10

Explanation:

Step 1: Write out expression

-7x - 5x⁴ + 5 + 7x⁴ + 5 + 9x

Step 2: Combine like terms (x⁴)

2x⁴ - 7x + 5 + 5 + 9x

Step 3: Combine like terms (x)

2x⁴ + 2x + 5 + 5

Step 4: Combine like terms (constants)

2x⁴ + 2x + 10

User Steve Wong
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