Giovanni0312
26.06.2019 •
Mathematics
Find the value of this expression if x = -9.
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Ответ:
-15
Step-by-step explanation:
Note that it says x = -9. Plug in -9 for all x inside the expression and solve.
(x² + 9)/(x + 3) = (-9² + 9)/(-9 + 3)
Solve. First, solve the parenthesis, then divide:
(-9² + 9) = (81 + 9) = 90
(-9 + 3) = (3 - 9) = -6
Divide:
(90)/(-6) = -15
-15 is your answer.
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Ответ:
4h+3t=30
Step-by-step explanation: