.51=1-((x^2)-(300000000^2)) solve for x

\(0.51=1-({x}^{2}-{300000000}^{2})\)

 

\(0.51=1-({x}^{2}-90000000000000000)\)

 

\(51=100-100\times({x}^{2}-90000000000000000)\)

 

\(51=100-{100x}^{2}+ 9000000000000000000\)

 

\(51=-{100x}^{2}+ 9000000000000000100\)

 

\(0={-100x}^{2}+ 9000000000000000049\)

 

\({-100x}^{2}+ 9000000000000000049=0\)

 

\({-100x}^{2}=-9000000000000000049\)

 

\({x}^{2}= 90000000000000000.49\)

 

\(x=± 300000000.0000000008166667\)

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