Respostas
respondido por:
16
2xy+[-5xy+2xy-(xy+4xy-2xy)-8xy]
2xy+(-5xy+2xy-xy-4xy+2xy-8xy)
2xy+(-14xy)
2xy-14xy
-12xy
2xy+(-5xy+2xy-xy-4xy+2xy-8xy)
2xy+(-14xy)
2xy-14xy
-12xy
respondido por:
7
=2xy+[-5xy+2xy-(xy4+4xy-2xy)-8xy]
=2xy+[-3xy-(5xy-2xy)-8xy]
=2xy+[-3xy-(3xy)-8xy]
=2xy+[-3xy-3xy-8xy]
=2xy+[-6xy-8xy]
=2xy+[14xy]
=2xy-14xy
=-12xy
=2xy+[-3xy-(5xy-2xy)-8xy]
=2xy+[-3xy-(3xy)-8xy]
=2xy+[-3xy-3xy-8xy]
=2xy+[-6xy-8xy]
=2xy+[14xy]
=2xy-14xy
=-12xy
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