Question

(3 / x) + (4 / 2x) = x - 1

Answer 1

Answer:

PlZ mark it brainlest answer

Answer 2

Answer:

$(1 + \sqrt{21} ) \div 2$

$(1 - \sqrt{21} ) \div 2$

Step-by-step explanation:

(3 / x) + (4 / 2x) = x - 1

by taking lcm

(6+4)/2x=x-1

10 = 2x^2-2x

5 = x^2-x

x^2-x-5=0

by roots formula:

$(- b + \sqrt{b ^{2} - 4ac } ) \div 2a$

$(−b - \sqrt{b ^{2} - 4ac })÷2a$

a = 1,b = -1,c = -5

we get x values as

$( - 1 + \sqrt{21} ) \div 2$

$(- 1 - \sqrt{21}) \div 2$