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

express ratio in the simplest form 25:70
What is 11/8 as a mixed number
Nick is making bread dough the recipe requires 3/4 cup of flour and 1 1/8 teaspoon of salt. Nick wants to make the recipe using 1 cup of flour To maintain the r
The following Internet browsers can be used with QB Online: A) Internet Explorer. B) Firefox. C) Google Chrome. D) Safari E) All of the above.
Question on Resistance. WORTH 20 POINT
explain how humanism was both new and old and what that has to do with idea of Renaissance
what was one effect of the great compromise
Teddy has 23 boxes of juice packed and plans to pack 3 additional boxes each hour. Charely has 7 boxes packed and plans to pack 5 additional boxes each hour. Th
Immediately after the September 11, 2001 Terror Attacks, 17 years ago, the rallying cry was "United We Stand". Have we kept to that spirit of unity alive or ha
you catch 50 fish from the lake tag and release them. teh next day you catch 20 fish and find 6 with tags on them what si teh exspecteded population in the lake