if n=-2 find the value of 5n square + 5n -2
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16
Answer:
-32
Step-by-step explanation:
n = -2
5n square + 5n - 2
5(-2) square + 5(-2) -2
5 (-4) + (-10) -2
-20 + (-10) - 2
-20 + (-12)
-20 - 12
-32
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