koalarules6
koalarules6
03-01-2017
Mathematics
contestada
Express as a trinomial.
(x−8)(2x+9)
Respuesta :
apologiabiology
apologiabiology
03-01-2017
basically expand
use FOIL (a way to remember distributive property)
first outer inner last
that is th eorder to multiply them
First: x times 2x=2x²
Outer: x tmes 9=9x
Inner: -8 times 2=-16x
last: -8 times 9=-72
add them
2x²+9x-16x-72
2x²-7x-72
Answer Link
VER TODAS LAS RESPUESTAS ( 14+ )
Otras preguntas
4. Calculate the density of a liquid in a beaker. The beaker has a mass of 15 grams when empty. The beaker plus an unknown liquid has a mass of 53 grams. What i
x|y -2|7 1|-8 4|-23 7|-38
How does usaa enhance consumer motivation by making itself and its offerings personally relevant to customers?
Two flat pieces of aluminum foil lay one on top of the other. what happens if you add charge to the top piece of aluminum foil?
How does the free-enterprise system discourage entrepreneurs who waste resources?
A patient wants to take a ginseng dietary supplement. the nurse instructs the patient to look for which potential adverse effect?
Use the following information as of december 31 to determine equity. liabilities $ 148,000 cash 64,000 equipment 213,000 buildings 182,000
I. Phosphorus is transformed into organic compounds. II. Phosphorus rich deposits have generally formed in the ocean. III. Weathering of rocks and minerals rele
Concentration in soil: if a 100-g sample of soil contains 10-5 g of toxaphene, what are the toxaphene soil concentrations reported in units of ppb?
What is an effective strategy for giving a persuasive speech if you want to stimulate your audience's interest in a topic?