Question

1.) x
2 – 81 = 0
2.) 3t2 = 12
3.) (y − 4)
2
- 81 = 0

Answer 1

Answer:

it seems that ur question is incomplete. have a look at it again

step by step explanation:

it can be solved easily by manipulation of the equations

as this is the case of 4 eqns and 4 variables

good luck