ответ
1 а) x(a+b+c). b) 5x²y(3xy+2-4y²)
B) (7q-2p)(p-q). г) (x-4)(x+3)
2 a) ax+ay+bx+by. b) 6mx-2m+9x-3
a(x+y)+b(x+y) 2m(3x-1)+3(3x-1)
(x+y)(a+b) (3x-1)(2m+3)
3 a) b²-16 b) x²-2x+1 в) p²-x²-2xy-y² г)a³-8+6a²-12a
b²-4² x²-2×x×1+1². p²-(x+y)². (a-2)(a²+2a+4+6a)
(b-4)(b+4). (x-1)² (p-x-y)(p+x+y) (a-2)(a²+8a+4)
4 a) 3x²y³(2x-5y²) = 6x³y³ - 15x²yˆ5
b)7c²dˆ4(c³-2dˆ4) = 7cˆ5dˆ4 - 14c²dˆ8
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Answers & Comments
ответ
1 а) x(a+b+c). b) 5x²y(3xy+2-4y²)
B) (7q-2p)(p-q). г) (x-4)(x+3)
2 a) ax+ay+bx+by. b) 6mx-2m+9x-3
a(x+y)+b(x+y) 2m(3x-1)+3(3x-1)
(x+y)(a+b) (3x-1)(2m+3)
3 a) b²-16 b) x²-2x+1 в) p²-x²-2xy-y² г)a³-8+6a²-12a
b²-4² x²-2×x×1+1². p²-(x+y)². (a-2)(a²+2a+4+6a)
(b-4)(b+4). (x-1)² (p-x-y)(p+x+y) (a-2)(a²+8a+4)
4 a) 3x²y³(2x-5y²) = 6x³y³ - 15x²yˆ5
b)7c²dˆ4(c³-2dˆ4) = 7cˆ5dˆ4 - 14c²dˆ8