Question

3x² – 7x + 2 = 0 me ajudem

Answer 1

Resposta:

3x² – 7x + 2 = 0

Δ=b²-4·a·c

Δ=49-24=25

X=-b±√Δ/2·a

X=7±5/6

X´=7+5/6

X´=2

X´´=7-5/6

X´´=1/3

S={1/3, 2}

*espero ter ajudado!

Answer 2

x (3x- 7)= 0
x’=0
x’’= 7/3