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

Black, a Certified Fraud Examiner, is conducting an admission-seeking interview of Red, a fraud suspect. Black asks Red: "Did you do this because you were mad,

Solve using quadratic formula Show your work please!!!! x^2 + 1/3x + 5/6 = 0

A department head at a university resigned on the first day of the spring semester. It was subsequently determined that the department head deleted numerous fil

What are examples of personification in the first stanza of "Song of the Sea"? Check all that apply. The sent the sea! the open seal The blue, the fresh, the ev

how much did he spend

Joyce has the potential to be an honor student. However, she frustrates her teachers because of her actions. Rather than using her skills to excel, she tends to

if the perimeter of a square is 236 inches, how long is each side?

i need help with these three questions someone help me please what are these shapes called

To act as pilot in command of an aircraft carrying passengers, the pilot must have made at least three takeoffs and three landings in an aircraft of the same ca

What is the equation of the line that passes through the point (−3,1) and has a slope of -2