Question

2x²-3x+5=0

Calcule Delta e valor de X

Answer 1

(-3)²-4x2x5
(-3)²-8x5
(-3)²-40
-9-40= -49

Answer 2

▲=b²-4.a.c
▲=(-3)²-4x2x5
▲=9-40
▲=31
X=-b±√▲/2.a
X=-(-3)±√31 /2x2
x1=9+5,56/4
x1=3,64
x2=9-5,56/4
x2=7,61