Solving Quadratic Equations By Square Roots S2 #8

X = ±

X2

= 49

b =±
2b2
=
32
c =±
3c2

+

6
=
33
X2
X2
= ±
-  8  = 56
d =  ±
4d2
 +
25  =  125
X  =  ±
X2

-  12  =  69

 
  a  =  ± 

a2

+  10  =  110

X =  ±
8x2
-  32  = 0
X  =  ± 

X2

 =  144
b =  ± 
2b2
  -  16  =  56
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