Question

solving by quadratic formula X square + 5 x - 1800​

Answer 1

Answer:

x=40 or x=-45

Step-by-step explanation:

x^2+5x-1800=0

x= {-5(+-)sqrt(25+7200)}/2

 = {-5(+-)85}/2

x= -90/2  or x=80/2

 = -45              = 40

Answer 2

here is your answer, mate