Question

Нужно сократить дробь
Х во2степени+3 3-х
---------------------- - -----------
Х в4 степени 2х

Answer 1

(X2+3)/x4 - (3-x)/2x=0
(2x3+6x-3x4+x5)/(2x5)=0
X(2x2+6-3x3+x4)/2x5=0
(2x2+6-3x3+x4)/2x4=0

Answer 2

$frac{ {x}^{2} + 3 }{ {x}^{4} } - frac{3 - x}{2x} = frac{2({x}^{2} + 3) }{2 times {x}^{4} } - frac { {x}^{} times (3 - x) }{2x times {x}^{3} } = frac{2 {x}^{2} + 6 - 3x + {x}^{2} }{2 {x}^{4} } = frac{3 {x}^{2} - 3x + 6 }{2 {x}^{4} }$