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Add: 5x³-4x²+3 and 3x³+7x²-9.

Add: 5x³-4x²+3 and 3x³+7x²-9.
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Add: 5x³-4x²+3 and 3x³+7x²-9.

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User Sophie Coyne
by
7.6k points

1 Answer

6 votes

Answer:

8x³ + 3x² - 6

Explanation:

to add the two expressions, that is

5x³ - 4x² + 3 + 3x³ + 7x² - 9 ← collect like terms

= (5x³ + 3x³) + (- 4x² + 7x² ) + (3 - 9)

= 8x³ + 3x² - 6

answered
User Geddes
by
7.7k points
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