Answer:
Step-by-step explanation:
Hi there!
This equation is written in the form 
. First, use partial factoring:
For x^2-x, the <em>b</em> value is -1 in 
. To complete the square, take the square of half of 1 and add it in the parentheses as the <em>c</em> value:
However, when adding values to one side of the equation, we must to the same to the other side:
Complete the square:
Move 20 to the other side
I hope this helps!
88=2(4b+6)-4
88=8b+12-4
88=8b+8
-8 -8
80=8b
80/8=10b
Answer:
$697
Step-by-step explanation:
Given that :
Weekly earning = $375 plus 7% commission on sales
Earning if she sold $4600 worth of merchandise
Commision on sales = 7% of 4600
Commission = 0.07 * 4600
Commission on sales = $322
Total earning = $375 + $322
Total earning = $697
