Mathematics OpenStudy (anonymous):

Solving Square Root Equations 5(squareroot of)x-1=(squaredrootof) x+1 OpenStudy (dumbcow):

square both sides --> 25(x-1) = x+1 OpenStudy (anonymous):

yes, but i need to get x. :( OpenStudy (dumbcow):

you can solve it from there get x by itself OpenStudy (anonymous):

it would be 25x? thats somethign i dont get. OpenStudy (anonymous):

$5\sqrt{x-1}=\sqrt{x+1}$$(5\sqrt{x-1})^{2}=(\sqrt{x+1})^2$$25(x-1)=x+1$$25x-25=x+1$-x +25 -x +25$24x=26$/24 /24$x=$ OpenStudy (anonymous):

i dont get the 5th step... OpenStudy (anonymous):

The "-x +25 -x +25" step? OpenStudy (anonymous):

wouldnt it be 24x-24=0? yeah yhat step. OpenStudy (anonymous):

No$-25-1=-26$ OpenStudy (anonymous):

wooow... feeling like a genius... OpenStudy (anonymous):

If you moved both the x and 1 from the right side to the left you'd subtract -1 from a negative 25, making you go more negative. OpenStudy (anonymous):

I hate making those simple mistakes. OpenStudy (anonymous):

okay. so, if i also take the x out, because i want to have =0, it owuld be 24x-26=o, correct? OpenStudy (anonymous):

Yes. OpenStudy (anonymous):

so now i factor it, right? OpenStudy (anonymous):

You shouldn't need to factor it.$24x-26=0$Should be the equation. Move -26 over to get$24x=26$Then divide to get the answer. OpenStudy (anonymous):

:) whoops. Thanks.

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