Question

X^2+8x-20 use quadratic formula to solve for x

Answer 1

2 and -10

Explanation:

formula =
`\frac{-8+0r-\sqrt{8^(2)-4(1)(-20) } }{2(1)}`

--solve

`(-8+-√(64+80) )/(2)`

`(-8+or-√(144) )/(2)`

`(-8+or-12)/(2)`

divide by two

-4±6

-4+6=2

-4-6=-10