Question 438429
Solve the equation: {{{35=w(3w-8)}}} => {{{3w^2-8w-35=0}}}, use the quadratic formula:

{{{w=(8+-sqrt((-8)^2-4*3*(-35)))/6}}} => {{{ w=(8+22)/6}}} = . {{{w=5}}}

Answer: The width is 5 cm and the length is:3x5-8=7 cm.

Check: A=LxW=7cm X 5cm ={{{35cm^2}}}.