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

Bramante died before much work had been done on St. Peter's Church, true false
Please i need help!!
Learning task 3 What polygon is being described in the picture
What is the difference between a wholesaler and a retailer?
Find the value of n that satisfies 2(n+1)! + 6n! = 3(n+1), where $n! = n\cdot (n-1)\cdot (n-2) \cdots 2\cdot 1$.
100 POINTS, WILL MARK BRAINLIEST Intro/ Sexual Orientation-Gender Identity Vocabulary Use the following terms to answer the attached questions: Gender Gender ro
Help me please!!!!!!!
ANSWER FOR BRAINLIEST AND 50 POINTS: The high temperatures for the last seven days are: High Temperatures: 81, 78, 83, 89, 80, 87, 78 Find the MEAN of the tempe
Comcast Corporation is the largest cable television company, the second largest Internet service provider, and the fourth largest telephone service provider in
what is -5/3 as an equivalent fraction