What is expand pi(ay-(y^2)/2) ?

The solution to expand pi(ay-(y^2)/2) is piay-(piy^2)/2

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expand pi(ay-(y^2)/2)

expand

π (a y - \frac{y ^{2}}{2})

πa y - \frac{π y ^{2}}{2}

Solution steps

π (a y - \frac{y ^{2}}{2})

Apply the distributive law:

a (b - c) = ab - a c

a = π, b = a y, c = \frac{y ^{2}}{2}

= πa y - π \frac{y ^{2}}{2}

Multiply

π \frac{y ^{2}}{2} : \frac{π y ^{2}}{2}

= πa y - \frac{π y ^{2}}{2}

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What is expand pi(ay-(y^2)/2) ?
The solution to expand pi(ay-(y^2)/2) is piay-(piy^2)/2