Question

Subtract the sum of 3p- 2q + 2r ;5p + 3q - 2r and - 4p + 2q - 3r from the sum of 2p - 3q - 3r;
4p - q - r and 3p + 2q - 3r

Answer 1

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First sum of 2p-3q-3r , 4p-q-r and 3p-2q-3r
then
sum of 3p-2q+2r , 5p+3q-2r and -4p+2q-3r then
subtract..