Решите уравнение ( t2+ 2t -3 ) - ( t2 -3t +4) = t -1

[latex]t^2+2t-3-(t^2-3t+4)=t-1\\t^2+2t-3-t^2+3t-4=t-1\\4t=6\\t=1,5[/latex]

(t2+2t-3)-(t2-3t+4)=t-1 (4t-3)-(4-t)=t-1 5t-7=t-1 6t=8 t=8/6 t=4/3