Question

solve the equation for x :- 5x²-3x-30​

Answer 1

Answer:

Given:-

a=5,b=-3,c=-30

Solution:-

By formulae :-

x= -b±√b²-4ac /2a

= -(-3)±√(-3)²-4*5*(-30) /2*5

= 3±√9+600 /10

= 3±√609/10

First,we take ± as + only.

= 3+√609/10 .Ans.

Secondly,we take ± as - only.

= 3-√609/10 .Ans.