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-20 + 9x = -17-20 + 17 = -9x-3 = -9x |: (-9)0.333... = xx = 0.333...
The given terms can be simplified to: 20x+20
9x2 - 28x + 20 = 9x2 - 18x - 10x + 20 = 9x(x - 2) - 10(x - 2) = (9x - 10)*(x - 2)
i thinking this answer should be -20
(9x)2 +9x/(45x)2 +81= 9+9x/86