Question

find the sum of the following​

Answer 1

Given Expression-

$\tt \: 12 ab + 2bc + 4cd-3,-2ab + 3cd -2$$\tt and\:5ab -7bc +12$

To Find-

• Sum of the expression

Solution-

$\tt \: (12 ab + 2bc + 4cd-3)+(-2ab + 3cd -2 ) + (5ab -7bc +12)$

$\tt \: 12 ab + 2bc + 4cd-3-2ab + 3cd -2 + 5ab -7bc +12$

$\tt \: 12 ab-2ab+5ab+ 2bc-7bc + 4cd+3cd-3 -2 +12$

$\implies$$‎\boxed{ \tt \: 15ab-5bc + 7cd +7}$