Question

3x^2+5X=-x-9+2x^2 formula de baskara

Answer 1

3x^2+5x=-x-9+2x^2
3x^2-2x^2+5x+x+9
x^2+6x+9=0
delta=b^2-4ac
delta=6^2-4.1.9
delta=36-36
delta=0
x=-b-/+ raiz de delta/2a
x=-6-0/2.1
x=-6/2
x=-3