1)а) (х-2)(х+3)=24 б) (2t-1)^2-4t=13 в) x(x-1)-3(x+2)=-10
х^2+3х-2х-6=24 4t^2-4t+1-4t=13 x^2-x-3x-6=-10
х^2+х-30=0 4t^2-8t-12=0 x^2-4x+4=0
2)a) (y+5)(y-1)=7 б) (3x-5)^2+2x=5 в)t(t+2)-3(t-4)=5t+3
y^2-y+5y-5=7 9x^2-30x+25+2x=5 t^2+2t-3t+12=5t+3
y^2+4y-12=0 9x^2-28x+20=0 t^2-6t+9=0