Answer:
[tex] {) {x \sqrt[ { | {51 \leqslant \leqslant {?}^{2} }^{?} | }^{2} ]{?} }^{?} }^{2} [/tex]
x=4
Step-by-step explanation:
(x+4+2x^2+9)=25
(x+2x^2+4+9)=25
(3x^2+13)=25
3x+13=25
3x=25-13
3x=12
3x/3=12/3
There for x=4
