Упростите выражения :
1) ( х + 2у + z)² + 2(2xy + xz + 2yz)
2) (3m - n - k)² + 2(3mn + 3mk - nk)
1) x2 + 4y2 + z2 + 4xy + 2xz + 4yz
2) 9m2 + n2 + k2 + 6mn + 6mk - 2nk
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) x2 + 4y2 + z2 + 4xy + 2xz + 4yz
2) 9m2 + n2 + k2 + 6mn + 6mk - 2nk