What is expand-(wl)/2 (x-l/2)^2 ?

The solution to expand-(wl)/2 (x-l/2)^2 is -(wl(4x^2-4lx+l^2))/8

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expand-(wl)/2 (x-l/2)^2

expand

- \frac{wl}{2} (x - \frac{l}{2})^{2}

- \frac{wl ( 4 x ^{2} - 4 l x + l ^{2} )}{8}

Solution steps

- \frac{wl}{2} (x - \frac{l}{2})^{2}

Expand

(x - \frac{l}{2})^{2} : \frac{4 x ^{2} - 4 l x + l ^{2}}{4}

= - \frac{wl}{2} \cdot \frac{4 x ^{2} - 4 l x + l ^{2}}{4}

Simplify

- \frac{wl}{2} \cdot \frac{4 x ^{2} - 4 l x + l ^{2}}{4} : - \frac{wl ( 4 x ^{2} - 4 l x + l ^{2} )}{8}

= - \frac{wl ( 4 x ^{2} - 4 l x + l ^{2} )}{8}

\frac{20 ( y + 2 )}{3}

\frac{- x ^{2} + 6 x}{( x ^{2} - 3 x + 9 ) ^{2}}

\frac{3 x - 3}{( x + 5 ) ( x + 2 )}

\frac{d}{d} (2 x y^{2} - 3 x^{2} y = 6 x)

(x^{2} + y^{2} + 1 - 4)^{2}

What is expand-(wl)/2 (x-l/2)^2 ?
The solution to expand-(wl)/2 (x-l/2)^2 is -(wl(4x^2-4lx+l^2))/8