Ask Question
5 September, 10:57

Factor - 4d 3 + 28d 2 - 4d. - 4d (d2 - 7d + 1) - 4 (d2 - 7d + 1) - 4 (d3 - 7d2 + 1)

+4
Answers (1)
  1. 5 September, 11:17
    0
    "-4d 3 + 28d 2 - 4d" might mean more to you as well as to others if typed as

    -4d^3 + 28d^2 - 4d. The " ^ " symbol calls for exponentiation, whereas d 3 is meaningless.

    Have a close look at - 4d^3 + 28d^2 - 4d. Notice that - 4d is a factor of every term? Thus, - 4d^3 + 28d^2 - 4d = - 4d (d^2 - 7d + 1. Now all we have to do is factor d^2 - 7d + 1

    Actually, the factors - 4d and d^2 - 7d + 1 are all we need, and the first answer is the correct one.

    An important skill here is identifying common factors in a series of terms.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Factor - 4d 3 + 28d 2 - 4d. - 4d (d2 - 7d + 1) - 4 (d2 - 7d + 1) - 4 (d3 - 7d2 + 1) ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers