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Nikitich [7]
2 years ago
8

(x + 1)(x - 1) I dont understand this could any1 help me

Mathematics
2 answers:
Lana71 [14]2 years ago
7 0

Step-by-step explanation:

It's a factored form of the quadratic equation

{x}^{2}  - 1

in the form of {ax}^{2}  + bx + c

in which a = 1, b = 0, c = 1.

mr_godi [17]2 years ago
5 0

Answer:

x^2-1

Step-by-step explanation:

you must use the distributive property

first you do x•x=x^2,

then you do x•1 and x•-1 to get x and -x and those cancel out,

the you do 1•-1=-1, then you put it together to get x^2-1

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