Question 156167
Begin by solving the expression with an exponent to get:

4 - 3{{{sqrt(8)}}}-{{{sqrt(25)}}}

Then, simplify the square root expressions:

4 - 3{{{sqrt(4*2)}}}-5

This equals:

4 - 3{{{sqrt(4)*sqrt(2)}}} - 5

Or:

4 - 3(2)*{{{sqrt(2)}}} - 5

Finally:

-1 - 6{{{sqrt(2)}}}