How do you solve (-3-4x)^(1/2)-(-2-2x)^(1/2)=1?

1 Answer
Feb 3, 2018

x=3+-sqrt(29)/2

Explanation:

sqrt(-3-4x)-sqrt(-2-2x)=1

Square both sides,

-3-4x-2sqrt((-3-4x)(-2-2x))-2-2x=1

Multiply And Combine like terms.

-6x-5-2sqrt(8x^2+14x+6)=1

Add [6x+5]

-2sqrt(8x^2+14x+6)=6x+6

Square both Sides again And Multiply.

32x^2+56x+24=36x^2+72x+36

Subtract [36x^2+72x+36]

-4x^2-24x-28=0

Use quadratic Formula And simplify again.

x=(24+-sqrt(576-112))/-8=3+-sqrt(29)/2