SOLUTION: Solve by factoring and show work A^2-16a+63=0 2k^2+11k=-5 (Quadratics)

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Question 1159955: Solve by factoring and show work
A^2-16a+63=0
2k^2+11k=-5
(Quadratics)
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

            I will solve first equation,  ONLY. 


    a^2 - 16a + 63 = 0


Factor left side


    (a-9)*(a-7) = 0


The roots are  a= 7  and  a= 9.     ANSWER

Solved.