solve for x:
x-2/x-1=0
(i think the answer is suppose to be 2? bt im nt getting it)
tnks
I assume that's (x - 2)/(x - 1) = 0.
Multiply both sides by (x - 1):
x - 2 = 0
Add 2 to both sides; x = 2.
Since the answer is equal to 0 you can set your numerator to 0 so x-2 = 0 because if either the numerator is 0 it will give you 0 as an answer. You cannot have a 0 in the denominator because you cannot divide by 0 so the answer is 2.
(x^2-2-x)/x=0
x^2 -2-x=0*x
x^2 - x- 2=0
x^2-(2-1)x-2=0
x^2-2x+x-2=0
x(x-2)+1(x-2)=0
(x-2)(X+1)=0
Therefore, x=2 or -1
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I assume that's (x - 2)/(x - 1) = 0.
Multiply both sides by (x - 1):
x - 2 = 0
Add 2 to both sides; x = 2.
Since the answer is equal to 0 you can set your numerator to 0 so x-2 = 0 because if either the numerator is 0 it will give you 0 as an answer. You cannot have a 0 in the denominator because you cannot divide by 0 so the answer is 2.
x-2/x-1=0
x-2/x-1=0
(x^2-2-x)/x=0
x^2 -2-x=0*x
x^2 - x- 2=0
x^2-(2-1)x-2=0
x^2-2x+x-2=0
x(x-2)+1(x-2)=0
(x-2)(X+1)=0
Therefore, x=2 or -1