Question

Preciso da conta montada pfvr
$2 x^{2} -3=x$

Answer 1

2x^2-3=x
2x^2-3-x
2x^2-x-3=0
delta=b^2-4.a.c
delta=(-1)^2-4.2.(-3)
delta=1+24
delta=25
x=-b-/+ raiz de delta/2a
x=-(-1)-5/2.2
x=1-5/4
x=-4/4
x=-1
x=-(-1)+5/2.2
x=1+5/4
x=6/4 (:2)
x=3/2