randomdude randomdude
  • 24-03-2015
  • Mathematics
contestada

is 81x squared minus 1 a perfect square

Respuesta :

AL2006
AL2006 AL2006
  • 24-03-2015

No.  It's the product of  (9x + 1) and (9x - 1) .


Answer Link

Otras preguntas

Which tool is used to hold workpieces tightly so that both of your hands can be free to work on them? A. Snap-ring pliers B. Needlenose pliers C.
How did grandfather clauses affext southern voting rights after the civil war?
Which of the following statements best describes 21st-century migration flows to the United States? a Large numbers of immigrants and migrant workers, includi
last year 42,169 orders were shipped from a ware-house. so far this year 5,837 orders have been shipped. how many more orders must be shipped this year in order
Part A: Factor 5x2a2 − 19xa2 − 4a2. Show your work. (4 points) Part B: Factor x2 + 14x + 49. Show your work. (3 points) Part C: Factor x2 − 100. Show your wor
...I believe no gentleman would repine to give ten shillings for the carcass of a good fat child, which, as I have said, will make four dishes of excellent nu
Outline the three steps your body’s immune system takes to fight off an infection
paper plates came in packages of 24 or 30. Joann bought 9 packages and a total of 258 plates. how many packages did she buy? PLEASE HELP
Which most likely happen to the population of deer in 1963 and 1964
Which of the following is a factor of 2x^2-18? A.x-9 B.x+3 C.x+9 D.2x-3