What is expand (-b+1)/((2-b)(-2+b)) ?

The solution to expand (-b+1)/((2-b)(-2+b)) is (-b+1)/(-4+4b-b^2)

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expand (-b+1)/((2-b)(-2+b))

expand

\frac{- b + 1}{( 2 - b ) ( - 2 + b )}

\frac{- b + 1}{- 4 + 4 b - b ^{2}}

Solution steps

\frac{- b + 1}{( 2 - b ) ( - 2 + b )}

Expand

(2 - b) (- 2 + b) : - 4 + 4 b - b^{2}

= \frac{- b + 1}{- 4 + 4 b - b ^{2}}

ln (x) (2 x^{2} + x) - x^{2} - x

3 (t + 1 = 18)

- (\frac{( 6 t + 55 )}{( ( t - 5 ) ( t + 5 ) )})

\frac{2}{( x + 1 ) ^{2} \cdot ( x ^{2} + 1 )}

\frac{5}{x ( x ^{2} + 2 x + 5 )}

What is expand (-b+1)/((2-b)(-2+b)) ?
The solution to expand (-b+1)/((2-b)(-2+b)) is (-b+1)/(-4+4b-b^2)