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1 vote
1 vote
Use synthetic division to find the result when x3 + 3x2 – 21x – 28 is divided by
- 4.

User Timurib
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1 Answer

20 votes
20 votes

= ×150

Explanation:

  1. ×3+3×2-21×-28÷4 use BODMAS,now we start with division bcoz there isno bracket or of.
  2. -28÷4= -7 then we go to multiplication
  3. ×3+3×2-21×-7 .......3×2=6
  4. ×3+6-21×-7......-21×-7 =147........then we finally add
  5. ×3+147=×150
User Muhammad Ahsan
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