It would be half of the coefficient of x squared added to both sides:
So half of 8 ( the coefficient of 8x) is 4;
The number 4 squared is 16, so you would add that to both sides.
You do this so that you can easily factor the left side: x^2 + 8x + 16 = 4 + 16
(x + 4)(x+4) = 20
Answer:
1/2
Step-by-step explanation:
because it is a coin and it has two sides
Answer:
it's A
Step-by-step explanation:
Answer:
the ratio is equal to
Step-by-step explanation:
Let
x ---> the amount of water in ml
y ---> the amount of sucrose in ml
z ---> the amount of saline in ml
Remember that

Convert 1 L of water in ml

the ratio is equal to
-----> irreducible