Question

resposta de
$x \times (2x - 3)$
​

Answer 1

×(2×-3)=0

2ײ-3×=0

Equação do segundo grau incompleta. Irei resolver usando Bhaskara:

∆=b²-4ac

∆=(-3)²-4.2.0

∆=9

×=-b±√∆/2a

×=3±3/4

×'=3+3=6/4 :(2)=3/2

×"=3-3/4=0/4=0

S={3/2;0}