1..simplify the following:
a) 1.52xyz+24xyz-2.72xyz+3.94xyz+34.1xyz
2..subtract the following
a)21abc+37abc+23from-12abc+3abc+8a-11b
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2. (-12abc+3abc+8a-11b)-(21abc+37abc+23)
= -9abc+8a-11b-58abc-23
= -67abc+8a-11b-23
= -9abc+8a-11b-58abc-23
= -67abc+8a-11b-23
sandeep38:
plz ans 1st also
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