document.write( "Question 24684: (9-6i)^2 \n" ); document.write( "

Algebra.Com's Answer #13166 by algebrapro18(249) $\"\"$ $\"About$

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(9-6i)(9-6i)
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\n" ); document.write( "\n" ); document.write( "you have to F.O.I.L. this:
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\n" ); document.write( "\n" ); document.write( "First 9*9
\n" ); document.write( "Outer 9 * -6i
\n" ); document.write( "Inner 9 * -6i
\n" ); document.write( "Last -6i * -6i
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\n" ); document.write( "\n" ); document.write( "combining this into 1 equation and simplifying
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\n" ); document.write( "\n" ); document.write( "(81-54i-54i+36i^2)
\n" ); document.write( "81-108i+36i^2
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\n" ); document.write( "\n" ); document.write( "Note: i^2 = -1
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\n" ); document.write( "\n" ); document.write( "81-108i-36
\n" ); document.write( "45-108i \n" ); document.write( "

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