well, if you square both sides
you get (FOIL)
x+3-2sqrt(x-2)sqrt(x+3) + x-2=1
2x+2- 2sqrt( x^2+x-6)=1
or 2x+2-2=2sqrt(x^2+x-6)
square both sides
4x^2=4(x^2+x-6)
x=6
I need help solving this equation.
[SQRT(x + 3)] - [SQRT(x - 2)] =1
I know I am supposed to square each side however my teacher tells me I ahve to foil the lefthand side of the equation. Cna someone please help me with this.
Thank you.
4 answers
Thank you.
Would I do the same thing with this equation?
[SQRT(x + 7)] - 2[SQRT(x)] =-2
Beacause I see what you have showed me BUt i am stll a little bit confused. Please if you have the time help me. Thank you.
[SQRT(x + 7)] - 2[SQRT(x)] =-2
Beacause I see what you have showed me BUt i am stll a little bit confused. Please if you have the time help me. Thank you.
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