-70
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You factor the equation out to get (x-9)(x+8). Therefore, x is equal to 9 and -8.
72 = 7 x 7 = 49
1 x 72 = 72 2 x 72 = 144 3 x 72 = 216 4 x 72 = 288 5 x 72 = 360 6 x 72 = 432 7 x 72 = 504 8 x 72 = 576 9 x 72 = 648 10 x 72 = 720 11 x 72 = 792 12 x 72 = 864
-6x+72=x then -7x=-72 so x=72/7
72 x 350 = 25200 72% x 350 = 252
3x=72 x=72/3 x=24