Respuesta :
x^2 + 3x = ??...I cant really understand the equation...but u would take half of the x term...and then square it
3/2 = 1.5
1.5^2 = 2.25.....so u would add 2.25 to both sides
3/2 = 1.5
1.5^2 = 2.25.....so u would add 2.25 to both sides