хво2-10х+25=0 (x-5)^2=0 x-5=0 x=5
хво2+6х+9=0 (x+3)^2=0 x+3=0 x=-3
4хво2-12х+9=0 (2x-3)^2=0 2x-3=0 x=1.5
9хво2-24х+16=0 (3x-4)^2=0 3x-4=0 x=4/3
хво2-10х+25=0 (x-5)^2=0 x-5=0 x=5
хво2+6х+9=0 (x+3)^2=0 x+3=0 x=-3
4хво2-12х+9=0 (2x-3)^2=0 2x-3=0 x=1.5
9хво2-24х+16=0 (3x-4)^2=0 3x-4=0 x=4/3