Question

Решите уравнение:
1) 3x² - 12x = 0
2) 49x³+ 14x³+x = 0

Answer 1

1)
3x•(x-4)=0
x•(x-4)=0

x=0
x-4=0

x=0
x=4

x1=0, x2=4

2)
x•(49x^2+14x^2+1)=0
x•(63x^2+1)=0

x=0
63x^2+1=0

x=0