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janessiaBest ResponseYou've already chosen the best response.0
\[x  5\sqrt{x} +6=0\]
 one year ago

WiredBest ResponseYou've already chosen the best response.1
Like the last one, get 5sqrt(x) by itself on one side of the equation, and then square both sides.
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
lol well so far i got \[x6=5\sqrt{x}\]
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
and idk where to go from there
 one year ago

timo86mBest ResponseYou've already chosen the best response.0
divide both sides by 5 :)
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
but i thought you had to square something or something like that
 one year ago

timo86mBest ResponseYou've already chosen the best response.0
isolated for sqrt(x) you not there yet div by 5 first
 one year ago

WiredBest ResponseYou've already chosen the best response.1
You can do it either way actually. I find it simpler to square both sides at that point so you don't have to deal with fractions. Those fractions would cancel out later anyway, so no need to introduce them in the first place.
 one year ago

WiredBest ResponseYou've already chosen the best response.1
\[(x6)^{2} = (5\sqrt{x})^{2}\]
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
how do i do \[(5\sqrt{x})^2\]
 one year ago

timo86mBest ResponseYou've already chosen the best response.0
well (a*b) ^n is a^n*b^n right?
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
yes so the first is 25 and i still dont kno the second part
 one year ago

timo86mBest ResponseYou've already chosen the best response.0
25*x :) sqrt(x)^2 is x :)
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
ha ha well i think so but thanks anyway :)
 one year ago

timo86mBest ResponseYou've already chosen the best response.0
are not :P now finish the q :)
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
oh wait i did it wrong sorry lol
 one year ago

timo86mBest ResponseYou've already chosen the best response.0
(x−6)^2 is (x6)*(x6) use foil or whatever method you prefer.
 one year ago

WiredBest ResponseYou've already chosen the best response.1
Just as an FYI, here's another way to look at squaring a square root: Note that: \[\LARGE (X^{S})^{T} = X^{ST}\] \[\LARGE \sqrt{x} = x^{1/2}\] \[\LARGE (\sqrt{x})^{2} = (x^{1/2})^{2}=x^{(1/2)(2)} = x^{1}\]
 one year ago

janessiaBest ResponseYou've already chosen the best response.0
does this thing have no solution!!??? lol cuz thts wat it seems like!
 one year ago

WiredBest ResponseYou've already chosen the best response.1
\[x6=5\sqrt{x}\] \[(x6)^{2}=(5\sqrt{x})^{2}\] \[(x6)(x6)=25x\] \[x(x6)6(x6)=25x\]
 one year ago

WiredBest ResponseYou've already chosen the best response.1
Do you see what to do now?
 one year ago
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