Question

2(x+3)^2 = 9+2x^2+3x this
is quadratic equation
ation of not​

Answer 1

Answer:

2(x+3)^2+9+2x^2+3

(2x+6)^2+9+2x^2+3x( next step apply

$(a + b) ^2$

2x^2+2×2x×6+6^2+9+2x^2+3x

2x^2+2x^2+24x×36+9+3x

4x^2 +27x+45

$hence proved that it is a quadratic equation$