solving quadratic equation by extracting square roots
1)x^2+3=28
2)×^2-80=1
3)×^2-144=0
4)3×^2=27
5)4×^2-1=15
6)3×^2-1=11
7)2×^2-18=0
8) (×-2)^2=36
9) (×-5)^2-7=29
10) (2×-3)^2=121
11) (3×+2)^2-5=20
12) 3 (2×-1)^2=27



need ko ang answer now​