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 nonrelativistic proton is confined to a length of 2.0 pm on the x-axis. what is the kinetic energy of the proton if its speed is equal to the minimum uncertai
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.20 m. The toroid has 900
Llena el espacio la respuesta correcta. En Cochabamba está_______. A) el Palacio de Bellas Artes B) el Cristo de la Concordia C) el Salar de Uyuni
The supplies account has a balance of $1,200 at the beginning of the year and was debited during the year for $2,300, representing the total of supplies purchas
I need help on this math problem can anyone help ?
Could someone please help me with this: Solution set of lx^2+mx+n=0 is?
List any five reasons why west African history should be taught in Liberian schools
Help help help plz ❤️Please
The magnesium reacts with the hydrochloric acid to produce a gas and a salt.​
1. A complaint of sexual harassment by a part-time worker in a hardware business was upheld when the Tribunal found that the employer had failed to take suffici