(6x)^2+13x-5=0 выручайте 11!!!!!11

Question

(6x)^2+13x-5=0 выручайте 11!!!!!11

Answer 1

6x^2+13x-5=0
D=(13)^2-4*6*(-5)=169+120=289
x1,2=((-13)+-√289)/2*6
x1=-13+17/12=5/12
x2=-13-17/12=-2.5

Answer 2

6х^2+13х-5=0
д=169-4×6×(-5)=49
х1=(-13-7)/2×6=-10/3=-3 1/3
х2=(-13+7)/2×6=-1/2