Algebra

I really ned help

how do you solve these types of equations

3x^2-27=0

2t^2=100

-4y^2=36

x^2+25=25

please help me and tell me how you got it

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  1. Check my answers to amy down below

    x^2+25=25
    x^2 = 0
    x = + or - 0 which is 0

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