Solve the quadratic equation for x. What is one of the roots? 5×2 − 45 = 0 Question Solve the quadratic equation for x. What is one of the roots? 5×2 − 45 = 0 in progress 0 Math Eloise 3 months 2022-02-02T12:31:00+00:00 2022-02-02T12:31:00+00:00 1 Answer 0 views 0

## Answers ( )

Answer:x = ± 3

Step-by-step explanation:Given

5x² – 45 = 0 ( divide through by 5 )

x² – 9 = 0 ( add 9 to both sides )

x² = 9 ( take the square root of both sides )

x = ± [tex]\sqrt{9}[/tex] = ± 3

Thus the roots are x = – 3, x = 3