Question

Root of negative 2x plus 1 _ 3 = x

Answer 1

The following errors are made:

$\sqrt{-2x+1}-1=x+3-1 \\ \sqrt{-2x} =x+2$ - cannot subtract 1 from radical

$\sqrt{-2x} =x+2\\ \sqrt{-2x}^2 =(x-4)^2$ - (x+2) should be squared

$0=x^2+8x+16 \\0=(x+2)(x+6)$ - incorrect factoring