Question

Check whether 1/x + x = 3x - 7 is a quadratic equation.​

Answer 1

Answer:

(i) (x+1)

2

=2(x−3)

(ii) x

2

−2x=(−2)(3−x)

(iii) (x−2)(x+1)=(x−1)(x+3)

(iv) (x−3)(2x+1)=x(x+5)

(v) (2x−1)(x−3)=(x+5)(x−1)

(vi) x

2

+3x+1=(x−2)

2

(vii) (x+2)

3

=2x(x

2

−1)

(viii) x

3

−4x

2

−x+1=(x−2)

3