решите уравнения:5х^2+7=3 (2-3х)

5х²+7=3 (2-3х)5х²+7=6-9х5х²+7-6+9х=05х²+9х+1=0D=81-4×5×1=√61x1=-9+√61/2×5 = -9+√61/10x2=-9-√61/2×5= -9-√61/10