(a) (x + y + z) + (x + y - z)?
Answers
Answered by
1
Answer:
(x+y+z)+(x+y-z)
=2x+2y
=2(x+y)
Step-by-step explanation:
hope it helps you
Answered by
5
(x+y+z) +(x+y-z)
=x+y+z+x+y-z
=2x+2y
=2(x+y)
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