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Mathematics 12 Online
OpenStudy (anonymous):

solve x^2 - 4x = √(x+4) + 2

OpenStudy (anonymous):

(by hand)

rvc (rvc):

\[x^2 - 4x = \sqrt{(x+4)} + 2 \]

rvc (rvc):

is this your question?

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

answer is (5,5) btw

OpenStudy (anonymous):

or x=5

rvc (rvc):

you got the answer ?

OpenStudy (anonymous):

no from using cas calc

OpenStudy (anonymous):

i need to do it by hand

rvc (rvc):

okay what step do you think we can apply

OpenStudy (anonymous):

oh btw you only the solution for x>2

OpenStudy (anonymous):

umm i have no idea

OpenStudy (anonymous):

i tried getting a quadratic and solving that, i tried rearranging im not sure man

rvc (rvc):

oh i see

OpenStudy (anonymous):

you cant work it out?

rvc (rvc):

i m thinking of keeping the square root part on the lhs

rvc (rvc):

well i m not getting it :(

rvc (rvc):

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