x=18
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x2-13x+36=(x-9)(x-4)=0 x=9 or x=4
5 = -2x + 110x - 1,000 5 = 108x - 1,000 1,005 = 108x 335/36 = x
If you're looking to solve for x, you can do so as follows: x2 + 12x - 6 = 0 x2 + 12x + 36 = 42 (x + 6)2 = 42 x + 6 = ± √42 x = -6 ± √42
x = { +6, -6 }
(2x)ysquared