3 years ago

Expand. If necessary, combine like terms. (x+3)(x – 3) = ?

Mathematics

2 answers:

zhannawk [14.2K]3 years ago

8 0

Answer:

i did it on khan

Step-by-step explanation:

its x^2=9

Kobotan [32]3 years ago

5 0

Step-by-step explanation:

multiply it

x²-3x+3x-9=0

x²-9=0

x²=9

square root both side we get

x=3

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