Answered

Tell whether the equation is quadratic or not quadratic.

1. 12-4x=3x
2. (2x+7)(2x-7)=0
3. 3x+x(x2+9)=0

Sagot :

1.x=12/7
2.x=-7/2,x=7/2
3.x=0,x=2/3i,x=-2/3i
hope it helps