What is expand (2+x)sqrt(9-x^2) ?

The solution to expand (2+x)sqrt(9-x^2) is 2sqrt(9-x^2)+xsqrt(9-x^2)

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expand (2+x)sqrt(9-x^2)

expand

(2 + x) 9 - x^{2}

2 9 - x^{2} + x 9 - x^{2}

Solution steps

(2 + x) 9 - x^{2}

= 9 - x^{2} (2 + x)

Apply the distributive law:

a (b + c) = ab + a c

9 - x^{2} (2 + x) = 9 - x^{2} \cdot 2 + 9 - x^{2} x

= 9 - x^{2} \cdot 2 + 9 - x^{2} x

= 2 9 - x^{2} + x 9 - x^{2}

(1 - cos (x))^{8}

4 x - (2 x + 3) (4 - 5 x) l e f t (11 x + 10 x^{2})

\frac{1}{sin ( x ) ( 1 - cos ( x ) )}

(3 e^{x} cos (x) - 3 e^{x} sin (x)) \cdot x

\frac{19}{( x + 2 ) ( x - 7 )}

What is expand (2+x)sqrt(9-x^2) ?
The solution to expand (2+x)sqrt(9-x^2) is 2sqrt(9-x^2)+xsqrt(9-x^2)