Question

$2 x^{2} + (-\frac{5}{3} )^{2}=4$
como eu resolvo isso?

Answer 1

2x^2 + 25/9 = 4 (mmc =9) 18x^2 + 25 =36 18x^2=36-25 x^2= 11/18 x= Raizde11/18