Question

which of the following is not a quadratic equation
a)x^2-2x=(-2)(3-x)
b)x^3-4x^2-x+1=(x-2)^3
c)x^2+3x+1=(x-2)2
d)x^2+1=x(1-x)
​

Answer 1

Answer:

b

Step-by-step explanation:

quadratic equations

ax^2 + bx +c =0

Answer 2

Answer:

a) It is a quadratic equation.

b)It is a quadratic equation.

c)It is a quadratic equation.

d)It is a quadratic equation.