Question

If x = -7 is a root of equation kox-14x-49=0 , find k*​

Answer 1

Answer:

x-14x-49 =k

-7-14(-7) -49 =K

-7+98-49 =K

-56+98=K

42=K

K=42

Answer 2

step by step solve this problems

putting the value of x=-7

= k-14x-49=0

=k-14.-7-49=0

=k+98-49=0

=k+49=0

=k=-49