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need help with square roots
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k
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dsquare -19 -2d+11 =0. The square root symbol goes until -2d
okay so u have: \[\sqrt{-19-2d}+11=0\] or \[\sqrt{-19-2d}= -11\]
square both sides: \[-19-2d = (-11)^2\]
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or: -19-2d = 121 -2d = 121 - ( - 19) -2d = 121 + 19
-2d = 140; d = 140/(-2)
d = -70 <= ur answer
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