5 x 6 - 8 = 22 but
5 x (6 - 8) = -10
Remember order of operations.
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1 x 68 = 68 2 x 34 = 68 4 x 17 = 68
1 x 68, 2 x 34, 4 x 17 = 68
x2 - 16x + 68 = 5 (x - 8)2 + 4 = 5 (x - 8)2 = 1 x - 8 = 1 or -1 x = 9 or 7
1 x 68, 2 x 34, and 4 x 17
The answer is nine. Seriously. Here is my work if you don't believe me: 68=8x+23+4x-7x 68=8x-7x+23+4x 68=x+23+4x 68=x+4x+23 68=5x+23 68-23=5x 45=5x x=45/5 x=9