Solve for x 3^2x -3^x+2 + 8 = 0
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Originally Posted by delicate_tears Solve for x 3^2x -3^x+2 + 8 = 0 (3^x)^2-3^x*3^2+8=0 Let 3^x=a a^2-9a+8=0 (a-8)(a-1)=0 a1=8, a2=1 3^x=8 3^x=1 x=0
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