Question

25z²-9=0 solve using quadratic equation

Answer 1

Step-by-step explanation:

25z^2 = 9

z^2=9/25

z^2=0.36

z= 0.6

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Answer 2

Answer:

25z^2 -9 =0

25z^2=9

z^2=9/25

z=3/5

Step-by-step explanation:

1) shift -9 from LHS TO RHS

2) shift 25 from LHS TO RHS

Then by taking square root...

Final ans =3/5