I don\'t know what to do. Please help me willgive ratings. Hosni fave the follow

Question

I don't know what to do. Please help me willgive ratings.

Hosni fave the following argument that -(a+b)= -a+-b, for allintergers a and b. If the arqument is correct, suppy the missingreasons. If it is in correct explain why not. -(a+b)=(-1)(a+b) =(-1)a+(-1)b =-a+-b I don't know what to do. Please help me willgive ratings.

Hosni fave the following argument that -(a+b)= -a+-b, for allintergers a and b. If the arqument is correct, suppy the missingreasons. If it is in correct explain why not. -(a+b)=(-1)(a+b) =(-1)a+(-1)b =-a+-b =(-1)a+(-1)b =-a+-b

Explanation / Answer

It is most definitely correct. Note that this is simply an application of (-1)x = -x and x(y + z) = xy + xz with x = -1, y = a, and z = b.

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