zabid20tiger
zabid20tiger
01-06-2018
Mathematics
contestada
Factor completely
9-6a-24a^2
Respuesta :
mkryukova19
mkryukova19
01-06-2018
-24a²- 6a +9 = - 3(8a² +6a - 9)
8a² +6a - 9 =0
x=(-b +/-√(b² - 4ac))/2a
x = (-6 +/-√(36+4*8*9) /(2*8) = (-6 +/-√(324) /16 = (-6 +/-18)/16
x1 = (-6 +18)/16 = 0.75
x2 = (-6 -18)/16 = - 1.5
-24a²- 6a +9 = - 3(8a² +6a - 9) =
-3(a - 0.75)(a + 1.5)
Answer Link
kws65411
kws65411
11-09-2020
-3 (2a - 1) (4a + 3)
Answer Link
VER TODAS LAS RESPUESTAS ( 23+ )
Otras preguntas
HELPPPPPPPPPP PLEASEEEEEEEE!!
How to write a good letter to editor
A cat weighs 4.5kg and needs liquid medication of 5 mg per kg. How many mls
Answer to any will help
An article was sold for rupees 920 with a loss of 8%. What was its cost price? provide the formula also.
Read the excerpts from "The Royal House of Thebes" and "The Story of a Warrior Queen." "We are women," she told her sister. "We must obey. We have no strength t
A bottle has 900 coins consisting of 20c and 50c coins. There are eight times as many 20c coins as there are 50c coins. Calculate the total amount of money in t
Complete the following questions. 4 x 5 - (2² - 2) = (18 ÷ 3) (3² - 7) =
Divide 20 by g. Then, subtract 7. Which of the following expressions matches the statement above? A. 20 ÷ (g - 7) B. 20 ÷ (7 - g) C. 20 ÷ g - 7 D. g ÷
4. Find only the two exponential polynomials 3x²- x-4. And check the correctness of the relationships between digits and coefficients:
