Question

Найдите корни уровнений:

Answer 1

1) (x-7)²-7²=0

(x-7-7)(x-7+7)=0

(x-14)*x=0

x1= 0, x2= 14

2) 10²-(z-19)²=0

(10-z+19)(10+z-19)=0

(29-z)(z-9)=0

z1= 9, z2= 29

3) (6+y)²-9²=0

(6+y-9)(6+y+9)=0

(y-3)(y+15)=0

y1= 3, y2= -15

4) 5²-(13+t)²=0

(5-13-t)*(5+13+t)=0

(-8-t)(t+18)=0

t1= -8, t2= -18