Simplify square roots of negative numbers What is √−100 = ___ + ___i
1 answer:
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Answer:
Step-by-step explanation:
6)a)
7a) y² - 5y - 14 = y² -7y +2y - 2*7
= y*(y - 7) + 2*(y - 7)
=(y - 7)(y + 2)
b) Use FOIL method
c) Rationalize the denominator by multiplying the denominator and numerator by √12