SOLUTION: I need help solving √-x + 7 = x - 1

Algebra.Com
Question 382592: I need help solving
√-x + 7 = x - 1

Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!

-7 -7

...

...
square both sides
-x =x^2-16x+64
+x +x
x^2-15x+64
Find the roots using quadratic formula
discriminant = -31
.
x1= (15+sqrt(-31))/2
x1=7.5 + 2.7838821814150107i
x2=7.5 - 2.7838821814150107i
...
m.ananth@hotmail.ca

RELATED QUESTIONS

I need help solving (√(7&4x^8 ) y)^3 (answered by Fombitz)
I need help solving this equation 7 + 1 = 3 ------- + --------- (answered by ankor@dixie-net.com)
I need help solving the following for x... (answered by Alan3354)
I need help solving... (answered by user_dude2008)
I need help solving please. x-1/x+2 = 5/7 Thank... (answered by ankor@dixie-net.com)
I need help solving this problem... (answered by checkley75,heidi)
I need help solving... (answered by xdragonfight)
I need help solving this problem sqrt( x )... (answered by richwmiller)
i need help solving. -x+3y+1=2;... (answered by rfer)