yuki24 yuki24
  • 25-02-2016
  • Mathematics
contestada

solve 3x^2+2x-8=0, using an algebraic method.

Respuesta :

pegah
pegah pegah
  • 25-02-2016
you should factor this question so you will have: 
(3x - 4)(x +2) 
so now you have:
(3x-4)(x+2)=0 ⇒ 3x -4 =0 and x+2 =0 
3x-4=0 ⇒ 3x = 4 ⇒ x = 4/3 and  
x + 2 =0 ⇒ x = -2 :)))
so you have two x 
x = -2, 4/3 :)))
i hope this is helpful 
have a nice day 
Answer Link

Otras preguntas

In oceania, most towns began as
Which of the following would be the most reliable source to consult when creating a healthy weight loss plan? a. A how-to article in a fitness magazine b. A s
Divide 7/15 by 3/5 a. 7/9 b. 75/21 c. 21/75 d. 7/25
What is the solution or solutions for 3[-3x+9]=-18
The boxer rebellion led to an increase in chinese what
In the English colonies in the 1600’s the role of Africans shifted from that of indentured servants to slave for life because
Which scenario illustrates the gambler's fallacy: assuming that what typically happens in the long run will not happen in the short run? a. Every time Jonas pl
Read the word in parentheses; then decide which of these sentences most effectively translates an abstract concept into a mental picture. A. (Honesty) Jamal t
rewrite the expression with parentheses to equal the given value 2 x 6 / 2 + 1
Europe’s many __________ are widely used for transportation, leisure, and tourism. a. coastlines b. dikes c. polders d. canals