Question

64x² - 128= 0
me ayudan plis​

Answer 1

¡Hola!

$64x ^{2} - 128 = 0 \\ {64x}^{2} = 0 + 128 \\ {64x}^{2} = 128 \div 64 \\ {x}^{2} = 2 \\ x = \sqrt{2} \: \: o \: \: \: x = - \sqrt{2}$