What is expand ((0.5+x)(0.4+x))/((0.5-x)(0.45-x)) ?

The solution to expand ((0.5+x)(0.4+x))/((0.5-x)(0.45-x)) is (0.2+0.9x+x^2)/(0.225-0.95x+x^2)

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expand ((0.5+x)(0.4+x))/((0.5-x)(0.45-x))

expand

\frac{( 0.5 + x ) ( 0.4 + x )}{( 0.5 - x ) ( 0.45 - x )}

\frac{0.2 + 0.9 x + x ^{2}}{0.225 - 0.95 x + x ^{2}}

Solution steps

\frac{( 0.5 + x ) ( 0.4 + x )}{( 0.5 - x ) ( 0.45 - x )}

Expand

(0.5 - x) (0.45 - x) : 0.225 - 0.95 x + x^{2}

= \frac{( x + 0.5 ) ( x + 0.4 )}{0.225 - 0.95 x + x ^{2}}

Expand

(0.5 + x) (0.4 + x) : 0.2 + 0.9 x + x^{2}

= \frac{0.2 + 0.9 x + x ^{2}}{0.225 - 0.95 x + x ^{2}}

(2 t + 1) (2 t)

x (1 - ln (x))^{2}

\frac{10 ( 694 - 1 )}{231}

(x y + 1 + \frac{2 x}{e ^{x y}}) d x + x^{2} d y

(2 x - 2) 2 - x

What is expand ((0.5+x)(0.4+x))/((0.5-x)(0.45-x)) ?
The solution to expand ((0.5+x)(0.4+x))/((0.5-x)(0.45-x)) is (0.2+0.9x+x^2)/(0.225-0.95x+x^2)