Question

2. The area of a rectangle is given by A = x2 – 2x + 30. Find the value of x if the total area of the rectangle is equal to 45 square units.

Answer 1

x^2-2x+30=45
x^2-2x-15=0
=> x=5 or -3

Answer 2

Why did you make this question 3 more times? I was trying to help you in the other one, and was going to help more, but I didn't know where you were stuck.

Answer 3

O.

Answer 4

tana, please don't close a question only to repost it moments later. This is considered spamming. Thanks!