document.write( "Question 350031: x = {(a1 * b1) + (a2 * b2)} / (a1 * a2)\r
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Algebra.Com's Answer #250214 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"x=%28a%5B1%5Db%5B1%5D%2Ba%5B2%5Db%5B2%5D%29%2F%28a%5B1%5Da%5B2%5D%29\"
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