Question

№1
x 1
А)-------- = --------
2x+3 x

2x+5 2 3x
Б) -------- - --- = -------
x²+x x x+1

№2
4x^4 = 4x(в 4 степени)
A) 4x^4 - 17x² + 4 = 0
Б) (x² - 2x)²+ (x² - 2x) = 12