Question

solve the equation 8^2x-4(8^x)=3m give your answer to 3 significant figures
$8^{2x} - 4(8^{x}) = 3$
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Answer 1

$\: \: \: \: \: \: \: \: \: \: {8}^{2x} - 4 {(8)}^{x} = 3 \\ = > \: { {(2}^{3} )}^{2x} - {2}^{2} {( {2}^{3})}^{x} = 3 \\ = > \: {2}^{6x} - {2}^{2 + 3x} = 3$