If $P\left( x \right) ={ ax }^{ 2 }+bx+c$ and $Q\left( x \right) =-{ ax }^{ 2 }+dx+c$, $ac\neq 0$, then the equation $P\left( x \right) .Q\left( x \right) =0$ has
Reveal answer
Fill a bubble to check yourself
If $P\left( x \right) ={ ax }^{ 2 }+bx+c$ and $Q\left( x \right) =-{ ax }^{ 2 }+dx+c$, $ac\neq 0$, then the equation $P\left( x \right) .Q\left( x \right) =0$ has