It is 9
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3 squared=9 3 squared=3*3 3*3=9
2 squared = 4 8 squared = 64 2 squared + 8 squared = 4 + 64 = 68 8 squared - 2 squared = 6 squared = 36 The product of 8 x 2 = 16.
By factoring I get x-3 divided by x+3
3 - 3 squared = 6 * * * * * NO! 3 - 3 squared = 3 - 9 = -6
3 squared is 3 x 3 or 9.