Question

(x+1)whole square=2(x-3)
check whether the equation is quadratric equation​

Answer 1

No, it is not a quadratic polynomial,

Answer 2

★Question:

(x+1)whole square=2(x-3)

check whether the equation is quadratric equation

★ ⦋Answer⦌:

$\\ (x+1) {}^{2} =2(x-3) \\ {x }^{2} + 2x + 1 = 2x - 6 \\ x {}^{2} + 2x - 2x = - 6 - 1 \\ x {}^{2} = - 7 \\ x = \sqrt{ - 7 }$