peen37 peen37
  • 01-09-2020
  • Mathematics
contestada

what are the solutions of x^2 - 4 = 0

Respuesta :

chikafujiwara
chikafujiwara chikafujiwara
  • 01-09-2020

It is a difference of squares, so we can factor this to

[tex](x+2)(x-2)=0[/tex]

Then, we can solve for [tex]x[/tex].

[tex]x=-2,2[/tex]

Hope this helps.

頑張って!

Answer Link

Otras preguntas

Trees in urban areas help keep air fresh by absorbing carbon dioxide. A city has $2100 to spend on planting spruce and maple trees. The land available for pl
How many moles are in 1g of baking soda (NaHCO3)? show work
If the height of Mount Everest is about 8.8×1038.8×103 meters, and the height of the Empire State Building is about 3.8×1023.8×102 meters, which of these statem
What does it mean to say that the electric current from a wall socket is “120 V AC”?
What agreement led to the withdrawal of federal troops from the south?
is 5.6792 a terminating decimals
if a jacket is reduced by 98% in a sale to 10.40, what is the original price
A cash advance is _____.
If the height of Mount Everest is about 8.8×1038.8×103 meters, and the height of the Empire State Building is about 3.8×1023.8×102 meters, which of these statem
What is the passing of a wave through an object