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kipiarov [429]
2 years ago
10

11. (21x² - 6x +14) + (x²-3x+18)

Mathematics
2 answers:
Furkat [3]2 years ago
6 0

Answer:

22x^2-9x+32

Step-by-step explanation:

(21x² - 6x +14) + (x²-3x+18)

To add, we need to combine like terms

21x^2+x^2     -6x-3x    +14+18

22x^2-9x+32

Inessa [10]2 years ago
5 0

Answer:

22x² - 9x + 32

Step-by-step explanation:

(21x² - 6x +14) + (x²-3x+18)

Get rid of the parenthesis:

21x² - 6x + 14 + x² - 3x + 18

Group like terms:

22x² - 9x + 32

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