Algebra 2

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Can someone help me with this??

Simplify...
ã-45 x ã-20 =
is it??
ã-45*-20
ã-900
3ã-30

  • Algebra 2 -

    √-45√-20
    = (3i√5)(2i√5)
    = 6i^2√25
    = -6(5)
    = -30

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