3 years ago

Factor x squared minus 9?

Mathematics

1 answer:

tino4ka555 [31]3 years ago

8 0

Answer:

Step-by-step explanation:

One way to solve the quadratic equation x2 = 9 is to subtract 9 from both sides to get one side equal to 0: x2 – 9 = 0. The expression on the left can be factored: (x + 3)(x – 3) = 0. Using the zero factor property, you know this means x + 3 = 0 or x – 3 = 0, so x = −3 or 3.

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