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OpenStudy (anonymous):
Need to find y when x = -2 in the following: y = x2 - 2x - 3
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OpenStudy (anonymous):
substitute -2 into x that's all
OpenStudy (anonymous):
\[y=x^{2}-2x-3\]
OpenStudy (anonymous):
\[y=(-2)^{2}-2(-2)-3\]
OpenStudy (anonymous):
Simplify and that's it.
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