document.write( "Question 270260: Perform the operation and write the result in standard form.
\n" ); document.write( "(7 + i) + (-10 + 5i)
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Algebra.Com's Answer #198008 by jim_thompson5910(35256)\"\" \"About 
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\"%287+%2B+i%29+%2B+%28-10+%2B+5i%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"7+%2B+i+-10+%2B+5i\" Remove the parenthesis.\r
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\n" ); document.write( "\n" ); document.write( "\"%287-10%29+%2B+%28i+%2B+5i%29\" Group like terms (ie separate the real and imaginary parts).\r
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\n" ); document.write( "\n" ); document.write( "\"-3+%2B+6i\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "So \"%287+%2B+i%29+%2B+%28-10+%2B+5i%29=-3+%2B+6i\"
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