Which of the following represents the zeros of f(x) = 2x3 − 5x2 − 28x + 15?

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,

The only number less than 8 that can equal 12 would be 6, 36 is the dividend