а) 3х3у + 6х2 + 3ху3
2 × 3 × 3ху + 6 × 2х
2 × 3 × 3ху + 12х
2 × 9ху + 12х
18ху + 12х
6х (3у + 2)
б) х2 (3 + 2х) – х (2х + 3)2
2х (3 + 2х) – х + (2х + 3)2
2х (3 + 2х) – 2х (2х + 3)
6х + 4х² – 2х (2х + 3)
6х + 4х² – 4х² – 6х
0 + 4х² – 4х²
0 + 0
0
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
а) 3х3у + 6х2 + 3ху3
2 × 3 × 3ху + 6 × 2х
2 × 3 × 3ху + 12х
2 × 9ху + 12х
18ху + 12х
6х (3у + 2)
б) х2 (3 + 2х) – х (2х + 3)2
2х (3 + 2х) – х + (2х + 3)2
2х (3 + 2х) – 2х (2х + 3)
6х + 4х² – 2х (2х + 3)
6х + 4х² – 4х² – 6х
0 + 4х² – 4х²
0 + 0
0