Subtract the second of the following expression from the first

a-b+c-d, c-a+d-b

Question

Carson Ellison

Mathematics

15 September, 19:11

Subtract the second of the following expression from the first

a-b+c-d, c-a+d-b

+5

Answers (1)

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Casey · Answer 1

First: a-b+c-d

Second: c-a+d-b

First-Second

=a-b+c-d - (c-a+d-b)

=a-b+c-d-c+a-d+b after distributing the negative sign

=a+a-b+b+c-c-d-d collect similar terms

=2a-0+0-2d

=2a-2d

Subtract the second of the following expression from the firsta-b+c-d, c-a+d-b

Subtract the second of the following expression from the first

a-b+c-d, c-a+d-b