The first step in solving the quadratic equation -5x^2+8=133 is to subtract 1.)2 from each same side
2.)5
3.)8
4.)134

Respuesta :

try to get x by itself
so minus 8 from both sides

you end up with 5x^2=125

answer is 3rd option
the first step in solving the quadratic equation, you have subtract 8 to both side.

-5x² + 8 = 133

-5x² = 133 - 8

so your answer is 3.) 8

hope this helps, God bless!