Seudónimo
Seudónimo
12-04-2014
Mathematics
contestada
how do I factor this polynomial? q^2-121
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Lilith
Lilith
12-04-2014
[tex]q^2-121 =q^2-11^2=(q-11)(q+11)\\ \\ \\a^2-b^2 =(a-b)(a+b)[/tex]
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