cdigital.dgb.uanl.mxcdigital.dgb.uanl.mx/la/1030021532/1030021532_03.pdf · 2. Find the sum of...
9
cdigital.dgb.uanl.mxcdigital.dgb.uanl.mx/la/1030021532/1030021532_03.pdf · 2. Find the sum of 2Œ+3ab, 3Œ-4ab+5b and 7b. SOLUTION. We write the similar terms in the same column