What is (a+b)/2*2ab-2b^2 ?

The solution to (a+b)/2*2ab-2b^2 is (a+b)ab-2b^2

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simplify (a+b)/2*2ab-2b^2

simplify

\frac{a + b}{2} \cdot 2 ab - 2 b^{2}

(a + b) ab - 2 b^{2}

Solution steps

\frac{a + b}{2} \cdot 2 ab - 2 b^{2}

Cross-cancel common factor:

2

= (a + b) ab - 2 b^{2}

a^{3} \cdot a^{2}

- 4 + (- 8)

\frac{1}{2} \div \frac{1}{8}

1 0^{2} - 6^{2}

\frac{9}{54}