Question

x2-9x+20 Quadratic formula?

Answer 1

u want to solve it for x ?

Answer 2

\[x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]
a=1, b=-9, c=20
substitute this in the quadratic formula aand you're done! :)

Answer 3

thankx you but I ended up getting -44.5 and i think its the wrong answer i did it wrong i believe

Answer 4

you should get to answers here, since there's a square root
it should be "plus" and "minus"

Answer 5

okae

Answer 6

so if i got -89 in the square root what do i do with the -9 + or -