<img src="https://tex.z-dn.net/?f=9x%5E%7B2%7D" id="TexFormula1" title="9x^{2}" alt="9x^{2}" align="absmiddle" class="latex-form

chubhunter [2.5K]

2 years ago

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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