Question

12,25-3x^2=6x^2 помогите решить!!!!!!!!!

Answer 1

12.25-3x^2=6x^2
-3x^2-6x^2=-12.25
-9x^2=-12.25
x^2=$frac{49}{36}$
x=+-$frac{7}{6}$

Answer 2

12,25-3x^2=6x^2 

(1225/100)-3x^2=6x^2

(49/4)-3x^2=6x^2

-3x^2-6x^2=-(49/4)

-9x^2=-(49/4)

x^2=(49/36)

x=+-(7/6)

x₁=7/6

x₂=-(7/6)