Question

Найдите корень данного уравнения:(6а-1)(6а+1)=4а(9а+2)-1

Answer 1

(6a - 1)(6a + 1) = 4a ( 9a + 2) -1

36a^2 - 1 = 36a^2 + 8a -1

36a^2 - 36a^2 -1 + 1 -8a = 0

-8a = 0

a = 0

Answer 2

(6a-1)(6a+1)=4a(9a+2)-1

36a^2-1=36a^2+8a-1

36a^2-1-36a^2-8a+1=0

-8a=0

a=0