Answer:
Choice (3)
is correct.
Step-by-step explanation:
Given expression is 
Now we need to simplify this and check which of the given choices best match with it.


{using formula
}
{using formula
}


{using formula
}
Hence choice (3)
is correct.
Yes it is. To get 1/4 from 2/8 just divide the numerator and denominator by 2. To get 2/8 from 1/4, multiply both the numerator and denominator by 2
Answer: x^2-9x+1
Step-by-step explanation:
x^2-7x-7 d(x-1)
(you would just replace x to (x-1)
(x-1)^2-7(x-1)-7
(solve by square rooting (x-1)(x-1) then foil)
x^2-9x+1
Answer: Yes
Explanation: a statement that the values of two mathematical expressions are equal (indicated by the sign =).
Two values (6 and 3) are being brought together for another value represented by the = symbol making this an equation
Answer:
k = -3
Step-by-step explanation: