Answer:
6
Explanation:
x2-12x+36=0
find a two numbers that add to -12 and multiply to 36
-6 and -6
(x-6)(x-6)=0
x-6=0 x-6=0
x=6 x=6
(x - 6)(x - 6)
-6 + -6 = -12
-6 * -6 = 36
meaning -6 in in both
if you want to find x
x = 6
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