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10 votes
10 votes
Use synthetic division to find the result when x^4 + 11x³ +26x² 21x - 5 is
divided by x + 5.

User RS Conley
by
2.7k points

1 Answer

27 votes
27 votes

Answer:

210

x³ + 6x² - 4x + 41 - --------

x + 5

Explanation:

x⁴ + 11x³ +26x² 21x - 5; x + 5

x + 5 (change the sign!)

-5} 1 11 26 21 -5

↓ -5 -30 20 -205

-------------------------------------------

1 6 -4 41 -210

210

x³ + 6x² - 4x + 41 - --------

x + 5

I hope this helps!

User Treeno
by
2.5k points