Question

x/x è número natural e 3x² -7x+2=0

Answer 1

3x²-7x+2=0
a=3
b=-7
c=2
Δ=b²-4ac
Δ=(-7)² - 4.3.2
Δ= 49 -24
Δ=25
x=-b+-√Δ/2a
x=-(-7) +-√25/2.3
x=7+-5/6
x'=7+5/6
x'=12/6
x'=2
x"=7-5/6
x"=2/6 (simplificando)
x"=1/3