After collecting like terms, (3 - 5x - 5 - 12x) reduces to (-2 - 17x).
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12x^3+17x^2+5x=0x(12x^2+17x+5)=0x(x+1)(12x+5)=0x=0x=-1x=-5/12
5x-3 = 11+12x 5x-12x = 11+3 -7x = 14 x = -2
First, get everything that is like together. The -5 and the 3 are like and together they make -2. The -12x and the -5x and like and together they make -17x. The final answer is -17x-2
3x-8+5x+39+4x+51 = x(3+5+4) + -8 + 39 + 51 = 12x +82
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