2x+x+5+3x-6=6x-1
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If: 2x = x+5 Then: x = 5
2x-3 = x+5 2x-x = 8 x = 8
4
x^3=2x+5 x^3-2x-5=0 Graph the equation or use a calculator. x= 2.09455148
The factors of 5 are 1 and 5. 12 = 2 x 5 + 2 x 1, therefore: 4x2 +12x +5 = (2x + 1)(2x + 5)