JamesBriggs2011 wrote:if someone can explain how to do these it would be appreciated
That's what the Purplemath lessons are for!
To learn how to simplify added and multiplied square-root expressions like these, try this lesson
JamesBriggs2011 wrote:sqrt(x+10)=-9 x=? or is there no solution?
To learn how to solve radical equations, try this lesson
JamesBriggs2011 wrote:(sqr(6mn))to the ninth, rewrite with rqtional exponents
To learn how to work with rational powers, try this page
and this page