1975 AHSME Problems/Problem 12
Problem 12
If , and
, which of the following conclusions is correct?
Solution
We can factor into:
Substituting yields:
This is equal to:
Checking with the possible answers, along with
yields the only answer to be $\fbox{(\textbf{B}):$ (Error compiling LaTeX. Unknown error_msg)a=3x
a=-2x$}.$ (Error compiling LaTeX. Unknown error_msg)