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chubhunter [2.5K]
2 years ago
12

ula"> + 3x^{2}
Mathematics
2 answers:
Marina86 [1]2 years ago
7 0
9x²+3x²
=(9+3)x²
=12x²

Hope my answer helped u :)
sweet-ann [11.9K]2 years ago
3 0

Answer:

12x^2

Step-by-step explanation:

All you need to do is combine like terms

since 9x^2 and 3x^2 are like terms with the same variable and same degree, they can be combined to get 12x^2

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