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Andre45 [30]
3 years ago
9

Expand and simplify yeeeeeaaaaaaaaaaaaa

Mathematics
1 answer:
Paha777 [63]3 years ago
5 0
(x+2y+z) (x-2y-z)
= x^2 - 2xy - xz + 2xy - 4y^2 - 2yz + xz - 2yz - z^2 = x^2 - 4y^2 - 4yz -z^2 Hope it helped!
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