Area and perimeter

Question

Tavares drew a rectangle.the rectangle area is 48 square centimeters and its kength is 8 centimeters more than its width. Label the rwctangle to tell its length and width

Answer 1

x(x+8) = 48

x^2 + 8x - 48 = 0

x = [-8 +or- sqrt( 64 - 4*1*-48) ]/ 2

x=4

width is 4, length is 12