edirsonperez3783 edirsonperez3783 Today at 4:36 PM Mathematics Answered Urgent! Someone please answer! Will give Brainliest! 4 cm x cm The area of rectangle ABCD is 28 cm2 B B a) What is the length of side AB in terms of x? 6 cm length of AB = (1) x cm D с b) If the area of rectangle ABCD is 28 cm, we can show that x2 + ax = b where a and b are integer values. Work out the values of a and b. b a = (1) b= (1) Total marks: 3