Объяснение:
А)
[tex]5 {x}^{2} z - 5 {y}^{2} z = 5z( {x}^{2} - {y}^{2} ) = 5z(x - y)(x + y)[/tex]
Б)
[tex]3a(a + 1) + ( { a }^{2} - 1) = 3a(a + 1) + (a + 1)(a - 1) = (a + 1)(3a + a - 1) = (a + 1)(4a - 1)[/tex]
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Объяснение:
А)
[tex]5 {x}^{2} z - 5 {y}^{2} z = 5z( {x}^{2} - {y}^{2} ) = 5z(x - y)(x + y)[/tex]
Б)
[tex]3a(a + 1) + ( { a }^{2} - 1) = 3a(a + 1) + (a + 1)(a - 1) = (a + 1)(3a + a - 1) = (a + 1)(4a - 1)[/tex]