1 answer:
Answer:
Step-by-step explanation:
Rewrite this as

Knowing that i-squared = -1:

Both i-squared and 100 are perfect squares, so this simplifies to
±10i
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ANSWER:
36 > 9 > 7 > 0 > -3 > -132
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Answer:
x= -31
Step-by-step explanation:
I used the completing the square method to get the (x+2)^2. The final line is in standard form.