Resolver (x ^ 2 + 3x)/2 * ifx = 1/3 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{x^{2}+3x}{2}if\ x=\frac{1}{3}$$