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:a
Step-by-step explanation:
$1700 - 201(6) = 494
His down payment was $494.00
Nearest 10th is 3 so 0.23