Find ( 1 ⅞ + 2¼) x 1⁵⁄
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Just multiply the following: 111 x 1 111 x 2 111 x 3 etc.
It depends on the base used for 111. But guessing that binary is implied, it would represent seven: (1 x 2²) + (1 x 2¹) + (1 x 2º) = (1 x 4) + (1 x 2) + (1 x 1) = 4 + 2 + 1 = 7.
There are some operators missing that make this rather ambiguous. If you mean: 3x - 111 + x2 = x and wish to solve for x, then here's the answer: x2 + 2x - 111 = 0 x2 + 2x + 1 = 112 (x + 1)2 = 112 x + 1 = ± √112 x = -1 ± 4√7 If you mean: 3x - 111 = x2 + x Then solving for x gives us this: x2 - 2x + 111 = 0 x2 - 2x + 1 = 112 (x - 1)2 = 112 x - 1 = ± √112 x = 1 ± 4√7 If you mean: 3x - 111 + x2 + x And want to simplify it, that would be: x2 + 4x - 111 Not much really, as it can't be factored further.
111 = 111 x 1 100 = 1 x 100 110 = 11 x 10 ----- 321 = total
666