What is expand (5-sqrt(1+r))r ?

The solution to expand (5-sqrt(1+r))r is 5r-rsqrt(1+r)

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expand (5-sqrt(1+r))r

expand

(5 - 1 + r) r

5 r - r 1 + r

Solution steps

(5 - 1 + r) r

= r (5 - 1 + r)

Apply the distributive law:

a (b - c) = ab - a c

r (5 - 1 + r) = r \cdot 5 - r 1 + r

= r \cdot 5 - r 1 + r

= 5 r - r 1 + r

(x - 2 - 2) \cdot (x - 2 + 2)

(2 + 2) 4

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

\frac{1}{( s ^{2} + 2 s + 2 )} (\frac{1}{( s + 1 ) ^{2}})

What is expand (5-sqrt(1+r))r ?
The solution to expand (5-sqrt(1+r))r is 5r-rsqrt(1+r)