kyra04 kyra04
  • 25-05-2017
  • Mathematics
contestada

What is the product of (9t-4)(-9t-4)

Respuesta :

3mar 3mar
  • 25-05-2017
(9t-4)(-9t-4)

using the FOIL :

9t * -9t = -81 t^2
9t * -4 = -36 t
-4 * -9t = 36 t
-4 * -4 = 16
-----------------------add up and simplify

[tex]-81 t^2 -36 t + 36 t +16 = -81 t^2 +16[/tex]
Ver imagen 3mar
Answer Link

Otras preguntas

what problems could occur if scientists did not communicate the results of their investigation
x^3+3x^2=25x+75 what is the solution set
what is 3.2 x 10^-4 m/h in centimeters per second?
the gravity of earth is about six times the gravity of the moon for this reason astronauts who walked on moon weighed lees on the moon had less on the moon had
What are the greatest common factors of 51 and 85
when a puddle of water evaporates, does the water change into a new kind of matter
What are the products when ammonia (NH3) decomposes according to this equation? NH3
How are plains and plateaus similar and diffrent
47,283 rounded to the nearest 100,000
Which power involves the authority to interpret the laws and to settle disputes between members of society?