25-02-2016
Mathematics

contestada

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

Respuesta :

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

Ingrid walked her dog and washed her car. The time she spent walking her dog was one fourth the time it took her to wash her car. It took Ingrid 14 minutes to w

how are matter and substances related?

What might king George and parliament have done to prevent it

New high-tech businesses based on the growth of the internet are called .... a. Nanobots b. Genomes c. Dotcoms d. V-chips

At STP, what volume do these gases occupy? a. 1.25 mol He b. 0.335 mol C2H6

A dressmaker has 24 buttons. He needs 3 buttons to make one dress. How many dresses can he make with 24 buttons

___________ was arrested for refusing to give up a bus seat to a white man.

Both the US and Soviet Union joined the __________ after WWII

After WWII, the US aided __________ in its efforts to keep control of Vietnam. a. Japan b. China c. France d. Britain

what is d+5c=3d-1 solve for d