Quantcast XP Math - Forums - View Single Post - could someone help me with this assignment in Algebra?
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Old 07-25-2007   #2
de4th
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It's the same process for all of them... just expand and simplify.(x+2y+2z)^2= x^2 + 2xy + 2xz + 2xy + 4y^2 + 4yz + 2xz + 4yz + 4z^2= 4y^2 + 4z^2 + x^2 + 4xy + 4xz + 8yz...You can do the rest =), good luck.