Question

1) Solve the following equation using quadrtic formula and
give your ans -2 decimal place
(x)2- 5x -10​

Answer 1

Answer:

x²-5x-10=0

comparing with ax²+bc+c =0

a= 1, b = -5 , c= -10

b²-4ac = -5² -4×1×-10

=25+40

=65

x= -b+-√b²-4ac/2a

= -(-5)+-√65/2×1

5+-√65/2