abbiemay2001 abbiemay2001
  • 02-04-2015
  • Mathematics
contestada

expand and simplify (x+7)(x-7)

Respuesta :

SoapyMcTavish
SoapyMcTavish SoapyMcTavish
  • 02-04-2015
7(x+7)(x-7) is in the form (a+b)(a-b) so it's equal to [tex]a^{2}- b^{2} [/tex]
Which give us:
(x+7)(x-7) = [tex] x^{2} - 49[/tex]

Hope this Helps :)
Answer Link
Panoyin
Panoyin Panoyin
  • 03-04-2015
(x + 7)(x - 7)
x² - 7x + 7x - 49
x² - 49
Answer Link

Otras preguntas

A 1700 kg 2006 Mustang GT can accelerate from rest to 100 km/h in a time of 5.0 s.  Determine the net amount of work that must be done on the car to cause this
Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
What is a Mandala Autobiography?
distribute (x+1)(x-2)
Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell? 51382111
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
distribute (x+1)(x-2)
A 1700 kg 2006 Mustang GT can accelerate from rest to 100 km/h in a time of 5.0 s.  Determine the net amount of work that must be done on the car to cause this