Question

(4- x)2 = 10 - (2x - 1)2?​

Answer 1

$(4 - x)2 = 10 - (2x - 1)2 \\ 4 - {x}^{2} = 10 - 4x - 2 \\ {x}^{2} + 4x + 10 - 2 - 4 \\ {x}^{2} + 4x + 4 \\ \\ aplicando \: o \: delta \\ \\ {4x}^{2} - 4.1.4 \\ 16 -16 = 0$