Question

check whether ( x²+1) = (x‐1) is quadratic equation ​

Answer 1

Answer:

(X2+1)=(x-1)

X2+1=x-1

2x-x=-1-1

x=-2

Answer 2

Answer:

x

${x}^{2} + 1 - (x - 1) = 0 \\ {x }^{2} + 1 - x + 1 = 0 \\ {x }^{2} - x + 2 = 0 \\ \: hence \: it \: s \\ is \: quadratc \: eqn$