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

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

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

expand

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

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

Solution steps

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

Remove parentheses:

(a) = a

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

Expand

2 (2 + a - 2 b) : 4 + 2 a - 4 b

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

lo g_{5} (a^{7} b)

(z + 1 - i)^{2}

(x^{3} - 2) tan (x)

(cos^{2} (t) - cos (t) sin (t)) (- sin (t) + cos (t))

lo g_{10} (a) (2 x^{3} + 7)

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