1)а) (2g - 6) + (7 - g) = 2g - 6 + 7 - g = g + 1б) (8h + 16) - (4 - 6h) = 8h + 16 - 4 + 6h = 14h + 12
2)а) (3s^2 - 1) + (3 - 5s - s^2) = 3s^2 - 1 + 3 - 5s - s^2 = 2s^2 - 5s + 2б) (13 - 16t^2) - (t^3 - t^2 + 6) = 13 - 16t^2 - t^3 + t^2 - 6 = -t^3 - 15t^2 + 7
3)а) 3(6v - 1) + 9(6 - 5v) = 18v - 3 + 54 - 45v = -27v + 51б) 5w(w^2 - 8w) - 8w(w^2 - 5w) = 5w^3 - 40w^2 - 8w^3 + 40w^2 = -3w^3
2)а) (2e - 2)(7e + 13) - 14e^2 = 14e^2 + 26e - 14e + 26 - 14e^2 = 12e + 26б) 16f^3 - (2f^2 - 2)(8f - 3) = 16f^3 - 16f^2 + 16f + 6f - 6 = 16f^3 - 16f^2 + 22f - 6
4)а) (b - 4)(b + 4) = b^2 - 4b + 4b - 16 = b^2 - 16б) (8 - c)(c - 8) = -c^2 + 8c - 8c + 64 = -c^2 + 64в) (5d^8 - 2)(2 + 5d^8) = 10d^8 + 25d^16 - 4 - 10d^8 = 25d^16 - 4
2)а) (p + 6)^2 = p^2 + 12p + 36б) (e - 8)^2 = e^2 - 16e + 64в) (5e^2 - 4)^2 = 25e^4 - 40e^2 + 16г) (6 + 8f^4)^2 = 36 + 96f^4 + 64f^8
3)а) (p + 7)(p^2 - 7p + 49) = p^3 - 7p^2 + 49p + 7p^2 - 49p + 343 = p^3 + 343б) (b - 4)(b^2 + 4b + 16) = b^3 + 4b^2 + 16b - 4b^2 - 16b - 64 = b^3 - 64
1)
а) (2g - 6) + (7 - g) = 2g - 6 + 7 - g = g + 1
б) (8h + 16) - (4 - 6h) = 8h + 16 - 4 + 6h = 14h + 12
2)
а) (3s^2 - 1) + (3 - 5s - s^2) = 3s^2 - 1 + 3 - 5s - s^2 = 2s^2 - 5s + 2
б) (13 - 16t^2) - (t^3 - t^2 + 6) = 13 - 16t^2 - t^3 + t^2 - 6 = -t^3 - 15t^2 + 7
3)
а) 3(6v - 1) + 9(6 - 5v) = 18v - 3 + 54 - 45v = -27v + 51
б) 5w(w^2 - 8w) - 8w(w^2 - 5w) = 5w^3 - 40w^2 - 8w^3 + 40w^2 = -3w^3
2)
а) (2e - 2)(7e + 13) - 14e^2 = 14e^2 + 26e - 14e + 26 - 14e^2 = 12e + 26
б) 16f^3 - (2f^2 - 2)(8f - 3) = 16f^3 - 16f^2 + 16f + 6f - 6 = 16f^3 - 16f^2 + 22f - 6
4)
а) (b - 4)(b + 4) = b^2 - 4b + 4b - 16 = b^2 - 16
б) (8 - c)(c - 8) = -c^2 + 8c - 8c + 64 = -c^2 + 64
в) (5d^8 - 2)(2 + 5d^8) = 10d^8 + 25d^16 - 4 - 10d^8 = 25d^16 - 4
2)
а) (p + 6)^2 = p^2 + 12p + 36
б) (e - 8)^2 = e^2 - 16e + 64
в) (5e^2 - 4)^2 = 25e^4 - 40e^2 + 16
г) (6 + 8f^4)^2 = 36 + 96f^4 + 64f^8
3)
а) (p + 7)(p^2 - 7p + 49) = p^3 - 7p^2 + 49p + 7p^2 - 49p + 343 = p^3 + 343
б) (b - 4)(b^2 + 4b + 16) = b^3 + 4b^2 + 16b - 4b^2 - 16b - 64 = b^3 - 64