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

3(q−7)=27 need help plzz 1st peep gets brainlest

Identify each of the following characteristics or descriptions as Lycopodium sp. or Selaginella sp., using the following key. (Both may apply to some characteri

Please help!!! A calculator was used to perform a linear regression on the values in the table. The results are shown to the right of the table.What is the line

How many numbers from 10 to 99 have a tens place exactly 3 times greater than their ones place? PLZZZ answer this question . I will be very happy whoever answer

90 to the nearest tenth

a table was sold at 20%loss but had it sold for RS 160 more these would have been a profit 20%. find cp

Pls help me I promise I’ll mark u brainleiest if I type in the fastest answer

In order for Kanye West to perform on the new Arcade Fire album, he must first have what detailed clause in the contract between he and his label permitting him

Shares in prince and nice have a beta of 0.9. The expected returns to the market are 10% and the risk free rate of return is 4%. What is the cost of equity capi

PLEASE help me with this question! This is really urgent! No nonsense answers please.