X * ( X + 3) = 10 X > 0 X^2 + 3X - 10 = 0 D = 9 + 40 = 49 ; V D = 7 X1 = ( - 3 + 7) : 2 = 2 X2 = ( - 10) : 2 = ( - 5) -------------- X = 2 ( меньшая сторона) X + 3 = 5 ------------ Ответ 2 метра