Answers

2014-06-27T22:24:52+08:00
1.r²+t²+n²-2rt-2nt+nr
2.e²+4a²+q²+8ae+4aq
3.m²+a²+y²+am-ay-my
4.4s+O²+16n²+2Os-4nO-8ns
5.4j∧4+9a²+25a²n²+6aj²-15a²n-10aj²n
6.225a²+16n²+36-60an+24n-90a
7.16a+a²b²+16c²+4a²b+4abc+16ac
8.81a∧4+16b∧4+9c∧4+36a²b²+12b²c²+27a²c²
9.2.25a∧4+5.29b²+1-3.45a²b-2.3b+1.5a²

Double check mo rin ha :)
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2014-06-27T23:15:53+08:00
SQUARE OF A TRINOMAIL
1.(r-t+n)² = r²-t²+n²
2.(e+2a+q)² = e²+4a+q²
3.(m+a-y)(m+a-y) = m²+a²-y²
4.(2s+o-4n)² = 4s²+o²-8n²
5.(2j²+3a-5an)² = 4j²+9a-25an²
6.(15a-4n-6)² = 225-14n-36
7.(4a+ab+4c)² = 16a²+2ab+16c²
8.(9a²+4b²+3c²)² = 81a²+16b²+9c²
9.(1.5a²-2.3b+1)² = 4.5a²-5.29b+1
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