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Anarel [89]
3 years ago
14

X^2-81 Factor the quadratic completely

Mathematics
2 answers:
tamaranim1 [39]3 years ago
6 0

Answer:

(x+9)(x-9)

Step-by-step explanation:

whenever its is x^2

you can start off with

(x+_)(x+_)

then your figure out "what times what" is -81 (they have to be the same number!)

Its -9 and 9

and so you plug that in to get

(x+9)(x-9)

faust18 [17]3 years ago
3 0

Answer:

x ^2 − 9^ 2. hope this helps

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The complete question is attached below.

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