!!"DO NOT SEND ANY LINKS" .Answer the 11th question:

11. Solve the quadratic equation x2-3(x+3)=0

x2 - 3(x + 3)
x2 - 3x -3
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solution
x^2 - 3x - 9 = 0
x = [ 3 +/- sqrt(9 + 36)]//2
x = 3[1 +/- sqrt(5)]/2
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