Question

if the area of rectangle is give by the expression x^2-23x+60 then what are its sides

Answer 1

X^2 -23x +60 = 0

x^2 - 20x-3x + 60 = 0

x(x-20) -3(x-20) = 0

(x-3) (x-20) = 0

X= 3,20