Math, asked by nahushshirodkar, 19 days ago

(x-7)(x+y) + (y-z)(y+z) +(2-x)(z+x) is equal to​

Answers

Answered by dilip3474
0

Answer:

-5x+xy -6y -xz

Step-by-step explanation:

(x-7)*(x+y) + (y+z) +(2-x)*(z+x)

2x +xy -7x-7y + y + z +2z +2x -xz -2x

2x +xy + y +z +2z +2x -7x-7y -xz -2x

4x +xy +y +3z -9x-7y -xz

4x-9x +xy +y -7y -xz

-5x+xy -6y -xz

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