Add the product of x(x+y-r), y(x-y+r), z(x-y+z) is _______ *
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Answer:
x2-y2+z2+2xy
Step-by-step explanation:
x(x+y-z)+y(x-y+z)+z(x-y+z)
(x2+xy-xz)+(xy-y2+yz)+(xz-yz+z2)
x2-y2+z2+2xy
Answered by
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