Question 23If $x$ is real and $4y^2+4xy+x+6=0,$ then the complete set of values of $x$ for which $y$ is real, is:$x\leq-2$ or $x\geq3$$x\leq2$ or $x\geq3$$x\leq-3$ or $x\geq2$$-3\leq x\leq2$$-2\leq x\leq3$