andrewpark892 andrewpark892

02-09-2017
Mathematics

contestada

what polynomial should be added to 4x²+5x-8 in order to equal 0?
A. 4x+5x+8
b. -4x²-5x+8
c. -4x²-5x-8
d. -4x²
e. 4x²+5x-8

Respuesta :

texaschic101 texaschic101

02-09-2017

4x^2 + 5x - 8 + (- 4x^2 - 5x + 8) = 0

all ur doing is changing the signs so they will cancel each other out.

so ur adding : -4x^2 - 5x + 8

Answer Link

Otras preguntas

HELP!!!The movement of minerals from formation to disposal is know as a resource cycle. Which steps occurs next after minerals formation? A) Manufacturing B)

What are some advantages of binary fission?

ANSWER PLEASE!!! I NEED HELP!!! A significant amount of ice melted as the last ice age ended. Conduct research to determine how much of a rise in sea level occu

Why is it important to recognize our humanity in others?

Scientists studied reproduction in the New Zealand mud snail to answer the question, “Are there benefits to reproducing sexually or asexually?” Which of these h

which does a shotgun shell have that a cartridge does not

How many atoms of hydrogen are in 170 g of hydrogen peroxide (h2o2)?

0=-5n-2nI need help getting this answer

When platinum crystallizes, it forms face-centered cubic cells. The unit cell edge length is 392.3 pm. Calculate the density of platinum in g/cm3.?

“He didn’t know the Nazis were trying to slaughter all Jews, something he says he and other prisoners learned only after liberation”