What is sqrt(13-(13-2x)) ?

The solution to sqrt(13-(13-2x)) is sqrt(2x)

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simplify sqrt(13-(13-2x))

simplify

13 - (13 - 2 x)

2 x

Solution steps

13 - (13 - 2 x)

Apply the distributive law:

- (a - b) = - a + b

- (13 - 2 x) = - 13 + 2 x

= 13 - 13 + 2 x

Subtract the numbers:

13 - 13 = 0

= 2 x

- 2 (x + 3) + 4 (x + y - 2) + (- y)

- (x + 2)

- 2 (x - 2)

\frac{cos ( 2 x )}{cos ( x ) + sin ( x )}

\frac{3}{x + 1} + \frac{1}{x - 2} - \frac{4}{x}