Khan said so:
(6+x) (6-x)
Answer:(x+6) (x+6)
(x+6)^2
Explanation:
36+12x+x^2
x^2 +12x +36
What 2 numbers multiply to 36 and add to 12
6*6 = 36
6+6 =12
(x+6) (x+6)
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