Find the sum 12x²+9x²

Mathematics

2 answers:

DIA [1.3K]3 years ago

6 0

21x squared, just add the numbers together

Harman [31]3 years ago

4 0

Answer:

21 x^2

Step-by-step explanation:

12x²+9x²

Since they are like terms (both have x^2) we add them together

21 x^2

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