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 ( 81+ )
Otras preguntas
In how many ways can a person order one ice cream cone with 3 different flavors of ice cream if there are 14 flavors to choose from and it matters to the person
Maria is going to purchase cranberry juice and lemon-lime soda for a new fruit punch recipe. The recipe calls for 3.5 times as many bottles of lemon-lime soda a
In how many ways can a person order one ice cream cone with 3 different flavors of ice cream if there are 14 flavors to choose from and it matters to the person
In how many ways can a committee of five Democrats and four Republicans be formed from a group of twelve Democrats and twelve Republicans?
There were 169 tickets for a major league baseball game. The lower box tickets cost $12.50 and the upper box tickets cost $10.00. The total amount of money spen
PLSS HELP MEEE!! It'll be very appreciated
373646351636646475753626266374747574884x848484893990299149440505944330309877=?
a service station on the interstate changes $2.29 per gallon of gasoline and $1.89 per quart for oil. What would be a recourable amount to pay for 10 gallons of
A population of 50 foxes in a wildlife preserve doubles in size every 14 years. The function y = 50.2*, where x is the number of 14-year periods, models the pop
In how many ways can a person order one ice cream cone with 3 different flavors of ice cream if there are 14 flavors to choose from and it matters to the person
