Решите уравнения (3х×5)(3х-5)-(3х-1)^2=10

Question

Решите уравнения (3х×5)(3х-5)-(3х-1)^2=10

Answer 1

9.xkv -25 -9xkv+6x-1 = 10
6x = 10+26
6x=36
x=6

Answer 2

= 9х²-25-9х²+6х-1=10=
-26-6х=10
6х=10+26
6х=36
х=6