Question

Solve:
5x2 - 45 = 0

Answer 1

5x2 -45 = 0
5x2 = 45
x2 = 45/5
x2 = 9
x = 3

Answer 2

5x2 -45 = 0 hi, is this like this....
5x^2 -45 = 0 ?
5x^2 =45
x^2 =45/5=9
x=sqrt 9
x1=-3
x2=+3

Answer 3

hi thnx

Answer 4

Thanks You