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

Otras preguntas

how is mass transit in cities a possible solution tk urban air pollution?

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Find Domain of the functionsquare root of (x-8)/x(x-9)

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

(10y^3+20y^2+55y)/5y

Can someone use the word delta in a sentence

Find Domain of the functionsquare root of (x-8)/x(x-9)

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Can someone use the word delta in a sentence