What is expand-2sqrt(x+1)(x-8) ?

The solution to expand-2sqrt(x+1)(x-8) is -2xsqrt(x+1)+16sqrt(x+1)

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expand-2sqrt(x+1)(x-8)

expand

- 2 x + 1 (x - 8)

- 2 x x + 1 + 16 x + 1

Solution steps

- 2 x + 1 (x - 8)

Apply the distributive law:

a (b - c) = ab - a c

- 2 x + 1 (x - 8) = - 2 x + 1 x - (- 2 x + 1) \cdot 8

= - 2 x + 1 x - (- 2 x + 1) \cdot 8

Simplify

- 2 x + 1 x - (- 2 x + 1) \cdot 8 : - 2 x x + 1 + 16 x + 1

= - 2 x x + 1 + 16 x + 1

(x + 1 - 2) (x + 1 + 2)

(1 - \frac{1}{2 e + 1}) e^{x} + (\frac{e ^{3}}{2 e + 1}) e^{- 2 x}

\frac{a ^{4} - 3 b ^{2} + 1}{( a ^{2} + b - 1 ) ( a ^{2} - b - 1 )}

(2 a + c - d) y (2 a + c - e + 3)

\frac{15}{x ( x + 4 )}

What is expand-2sqrt(x+1)(x-8) ?
The solution to expand-2sqrt(x+1)(x-8) is -2xsqrt(x+1)+16sqrt(x+1)