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

which type of system requires a regular backup of files

The ages of the first 14 customers in line to purchase movie tickets are shown below. 27 18 46 57 22 24 29 34 18 19 22 31 31 51 a) What are the lower and upper

autoimmune diseases are difficult to treat

Where will you find bones in a cartilaginous fish? a. in the fins b. there are no bones c. in the jaw d. in the body of the fish

_________ stressed self-reliance, frugality and industry. Answer Samuel Slater Cyrus McCormick The Enlightenment Republican virtues

how do I determine whether each binomial is a difference of two squares

What does the zigzag line in the circuit diagram represent? A. a source of electrical energy B. an electrical conductor C. an electrical resistor

Cells are able to remove large amounts of material using A) ectocytosis. B) exocytosis. C) phagocytosis. D) pinocytosis.

A number is chosen at random 1 to 25 find the probability of selecting a number greater than ten

To complete a specific task in businesses , what software should I use?