36
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2(3x - 1)(3x + 1)
41 + 15 = 36 4 x 9
62.
There is more than one way, but the idea of a factor tree is an easy way to do it. Start with 36 itself. A number is always a factor of itself since 36x1=36. Now since you know 36 is even, divide it by 2 and you have 18. See how it did it below and continue dividing. 36=18x2=9x2x2=3x3x2x2=3x3x2x2x1 So looking at the above we have The first thing after the 36 is 18 and 2 so those are two factors. I will use[ ] for my factor list. [Factor list]=[18,2] Next we have 9x2x2 so 9 and 9x2 are factors. [ 18,2,9] Now we have 3 ( we have 9 too, but I already have it) and we have 3x2=6 and 2x2x3=12 [18,2,9,3,6 12] Now we have 1 also [1,2,3,6,9,12,18,36]