Question

Solve 3x²-x-2=0. Please show all work.​

Answer 1

3x²-x-2=0

Δ=1+24=25 (Δ=b²-4ac)

x₁,₂=$\frac{1(+/-)\sqrt{25} }{6}$

x₁,₂=$\frac{1(+/-)5}{6}$

x1=$\frac{1+5}{6}$=6/6=1

x2=$\frac{1-5}{6}$=$\frac{-2}{3}$

so

x1=1

x2=$\frac{-2}{3}$