Question

Решите уравенение
5+х( в квадрате ) = ( х + 1 ) ( х + 6 )

Answer 1

5 + x² = x²+7x+6
7x = -1
x = -1/7

Answer 2

5 + x^2 = (x+1) ( x+6)
x^2 + 5 = x^2 + 6x + x + 6
7x = -1
x=-1/7