Question

x²-7x²+6=0
me ajudem pf​

Answer 1

Δ=b²-4ac

Δ=(-7)²-4×1×6

Δ=49-24

Δ=25

X=-b±√Δ/2a

X=-(-7)±√25/2×1

X=7±5/2

X'=7+5/2

X'=12/2

X'=6

X''=7-5/2

X''=2/2

X''=1