azarco7879
azarco7879
02-01-2018
Mathematics
contestada
Whats the first step here
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Аноним
Аноним
02-01-2018
B. Multiply the top equation by 3
-2y will turn into -6y and the y's will cancel out
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(x - y)^2 + 4z(x - y) +3z^2 (and btw ^2 means squared and this is going for 10 points)
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