Do you have a particular way of studying flashcards? i. need. the way i have been doing it has been soo slow.

Precalculus question, image attached.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).