Question

Find the value of X. (x²+12x+30)​

Answer 1

Answer:

Step-by-step explanation:

x²+12x+30

Using the formula

-b±√D/2a=x

D=b²-4ac=12²-4*1*30

144-120=24

so, D=24

Now, -12+√24/2*1=x

-12+√24/2

taking 2 common

-6+√6

Similarly, -12-√24/2

=-6-√6=x