Question

Help please help me I need this

Answer 1

`(5+-√(53) )/(2)`

Explanation:

in the equation given these are the values:

a=1 b= -5 c= -7

if we plug this in the quadratic formula
`(-(-5)+-√((-5)^2-4(1)(-7)) )/(2(1))`

this is simplified to
`(5+-√(53) )/(2)`

hope this helped