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Multiply $-1$ times $-2$
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$\frac{\arctan\left(3\right)\cdot 3^2}{2}-\frac{3}{2}+\frac{-\arctan\left(3\right)}{2}- \left(\frac{\arctan\left(-2\right)\cdot {\left(-2\right)}^2}{2}+\frac{2}{2}+\frac{-\arctan\left(-2\right)}{2}\right)$
Learn how to solve problems step by step online. Simplify (arctan(3)3^2)/2-3/2(-arctan(3))/2-((arctan(-2)(-2)^2)/2+(-*-2)/2(-arctan(-2))/2). Multiply -1 times -2. Divide 2 by 2. Evaluate the arctangent of -2. Evaluate the arctangent of -2.