Question

2(x - 1)(x + 1) = 5x​

Answer 1

x = sqrt 5x - 2/2

Explanation:

2(x-1)(x+1) = 5x

2(x^2 - 1) = 5x

2x^2 - 2 = 5x

2x^2 = 5x - 2

2x = sqrt 5x - 2

x = sqrt 5x - 2/2