Name:
Anonymous
2008-11-25 17:03
Find x:
_____________
/ 2
/ 9 + (-2-x) = 5
The large thing is a square root.
And the 2 up there is a square.
In bf my homework
Name:
Anonymous
2008-11-25 17:38
I have no idea what to do with that floating 2.
Name:
Anonymous
2008-11-25 17:43
The 2 is after the (-2-x)
Name:
Anonymous
2008-11-25 18:10
>>1
Lol. Square both sides, solve the quadratic.
Name:
Anonymous
2008-11-25 23:17
>>5
You missed two solutions.
Name:
Anonymous
2008-11-25 23:33
>>6
Really? I can't find them
Name:
Anonymous
2008-11-30 19:44
\sqrt{9 + (-2 - x)^{2}} = 5
9 + (-2 - x)^{2} = 25
(-2 - x)^{2} = 25 - 9 = 16
x^{2} + 4x + 4 = 16
x^{2} + 4x + 4 - 16 = 0
x^{2} + 4x - 12 = 0
(x + 6)(x - 2) = 0
x = -6, 2