Question

X^2+3x-3,giving your answer correct to two decimal places.

Answer 1

Step-by-step explanation:

x^2+3x -3

compare eqn with ax^2+bx+c=0

a=1,b=3,c=-3

b^2-4ac = 3^2-4* 1* -3

= 9+ 12

= 21

x=( -b+- √b^2-4ac)/2a

x= (-3+-√21)2*1

x=-3+√21/2 or x=-3-√21/2