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Thw sum of 12x^2+9x^2
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3 votes
Thw sum of 12x^2+9x^2

User Nicolas Webb
by
8.2k points

1 Answer

4 votes

Answer:

21 x^2

Explanation:

12x^2+9x^2

Combine like terms

x^2(12+9)

x^2(21)

21 x^2

User Andrew Feng
by
7.9k points
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