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Calculate and simplify:
\( \dfrac{2x^2}{5} + \dfrac{3x^2}{10}=\)
del
\(\pi\)
\(e\)
\(x\)
\(n\)
\(\frac{a}{b}\)
\(\sqrt{\,}\)
\({x}^{2}\)
\(\sqrt{\,}\)
!
7
8
9
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4
5
6
(
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1
2
3
\(\times\)
\(\div\)
C
0
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