WILL MEDAL!
(x-8)(x-k)=x^2-5xk+m
In the equation above, k and m are constants. If the equation is true for all values of x, what is the of m?
A. 8
B.16
C.24
D.32
E.40

Question

WILL MEDAL!
(x-8)(x-k)=x^2-5xk+m
In the equation above, k and m are constants. If the equation is true for all values of x, what is the of m?
A. 8
B.16
C.24
D.32
E.40

openstudy9 · Answer

What is the value of m, sorry typo

tkhunny · Answer

1) Don't post problems with no work shown.
2) Have you considered multiplying the binomials on the left and comparing your corresponding coefficients to those given on the right?

parthkohli · Answer

@bemoseemo Please give credit to this answer here. http://talk.collegeconfidential.com/sat-preparation/1223335-sat-recurring-math-theme.html