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DPiD Maths Mock Set 1 Paper 2 · Q7

Paper 2Algebra

Find the sum of all real xx for which

23x+1−33⋅22x+2x+3=0.2^{3x+1}-33\cdot2^{2x}+2^{x+3}=0.
A−4-4
B−3-3
C44
D33
E−2-2
F00
G−6-6
H22

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