👤

cum fac radical din 2x+7=41

Răspuns :

`√2x + 7 = 41 ⇒√2x=34⇒√x= 17 ( 17²= 289)
 17 = √289⇒ √289= √x ⇒ x= 289

 [tex]\sqrt2x+7=41\;;\\ \sqrt2x=41-7=34\;;\\ x=\frac{34^{(\sqrt2}}{\sqrt2}=\frac{34\sqrt2}{2}=17\sqrt2\;\surd\surd [/tex]