Algebra Demystified 2nd Ed

Chapter 10 QuadratiC EQuations 385

9. If xxx^ + +  31   + ^282 –  9 = x  6 –  3 , then

a. x=26,

b. x=71,

C. x=± 229

d. there is no solution.

10. If^4
    321

1

x

x

x

– 

+ 

+ 

= , then

a. x=± 582

b. x=± 3

C. x=± 542

d. there is no solution.