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2 years ago

(14x2 + 13x + 12) + (7x2 + 20x + 4)

Mathematics

2 answers:

NikAS [45]2 years ago

6 0

Answer:

21x^2 + 33x + 16

Step-by-step explanation:

(14x^2 + 13x + 12) + (7x^2 + 20x + 4)

Combine like terms:

14x^2 + 7x^2 = 21x^2

13x + 20x = 33x

12 + 4 = 16

Thus:

21x^2 + 33x + 16

aalyn [17]2 years ago

4 0

Answer:

21x^2 + 33x + 16.

Step-by-step explanation:

(14x2 + 13x + 12) + (7x2 + 20x + 4) Remove the parentheses:

= 14x2 + 13x + 12 + 7x2 + 20x + 4 Bring like terms togethher:

= 14x^2 + 7x^2 + 13x + 20x + 12 + 4

= 21x^2 + 33x + 16.

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