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which part are you having trouble with ?
the first part
if i can get that then rest of the problem should be easy
okay, then let me ask you some questions do you know what a "rational" number is ?
it is a long story if we went through the details, but the shortest way to say it is "fractions"
so 0.1 is rational since it is 1/10 0.7878787878... is rational since it is 78/99 -10 is rational since it is -10/1
knowing this, I want you to factor \[x^2 -1\]
what you did was probably \[(x-1)^2 = x^2 -2x +1\]
the step you took is called "expanding" the opposite step is called "factoring" so for example \[x^2 +5x +6 = (x+2)(x+3)\]
my mistake. i know how to factor and expand and what not. im just having trouble factoring that equation
if i can get that factored then i believe i will be able to solve the rest of the equation.
okay, I just want to demonstrate the difference between a), b), and c), so bare with me. could you factor \[x^2-1\]
i appreciate the help btw
fantastic now find the solution of \[x^2+2x+5 =0\]
i have to use the quadratic formula dont i?
yes, that's my point could you use it ?
Are you still here ?