Question

X²-(2x2^(0))=79 por favor ayúdeme

Answer 1

$x^{2} - 2.2 ^{0} = 79$

$x^{2} -2.(1) = 79$

$x^{2} -2 = 79$

$x^{2} = 79+2$

$x^{2} = 81$

x = 9