Simplify using the vertical method.
(3k + 4)(3k^2 – 5k – 3)

a. 9k^3 – 3k^2 – 29k – 12

b. 9k^3 – 3k^2 + 11k – 12

c. 9k^3 + 29k^2 – 3k – 12

d. 9k^3 + 27k^2 – 11k – 12

Question

Simplify using the vertical method.
(3k + 4)(3k^2 – 5k – 3)	

	a. 9k^3 – 3k^2 – 29k – 12

	b. 9k^3 – 3k^2 + 11k – 12

	c. 9k^3 + 29k^2 – 3k – 12

	d. 9k^3 + 27k^2 – 11k – 12

anonymous · Answer

@uri

uri · Answer

(3k + 4)(3k^2 – 5k – 3)	
3k(3k^2 – 5k – 3)+4(3k^2 – 5k – 3)	
9k^3-15k^2-9k +12k^2-20k-12
9k^3-15k^2+12k^2-9k-20k-12
9k^3-3k^2-29k-12