Question

Решите уравнение : $\frac{4}{3-x} =\frac{1}{x^2}$

Answer 1

решение на фотограыии

Answer 2

42x² = 3-x

42x² - 3+3x = 0

4x² + x - 3 =0

x = -1±√1²-4*4*(-3)/2*4

x= -1±√1+48/8

x =-1±√49/8

x = -1±7/8

x = -1+7/8
x= -1-7/8

x = 3/4 = 0,75
x = -1

x1 = -1
x2 = 0,75