5.
- 5x+10
- 18y-24
- 14m+21n
- 2ac+5bc
- 18ab+8a2
- -10x2+6xy
- -6a+8b-10c
- x5+x4-2x3
- -15y8-20y7+5y6
- 8a5-20a4-12a3
- -8z8+4z5-20z4
- -24x8y2+30x3y6
- an+5-a3*3n-1
- 12x2n+1-8xn+8
- Y3n+1-yn+5
6.
1.x²-x-62.
2. 10x²+22x+4
3. -6b-4
4. 8y²-26y+15
5. 6a²-a-12
6. 35z²-29z+6
7. 12x²-10x+2
8. -10x²+13x+3
9. 12b²+bc-20c
10. 6x²-19xy+10y²
11. 12a⁴-a²b²-20b⁴
12. 7a⁶-6a³b³16b⁶
13. -4z⁴+19z²+5
14. 20y⁶-22y³+6
15. -60x⁶+43x⁵+4x⁴
7.
1.a⁶
2. x⁸
3. -y¹²
4. x²⁰
5. -c⁴
6. x²¹
7. -y⁴⁵
8. b¹²
9. b3n
10. y5k
11. x16n
12. a4k-4
13. -b12n
14. x12k
15. a6n+3
8.
1. 5
2. -a
3. 30
4. 4z
5. 6m
6. 2a
7. -5y
8. 7/2ab²c²
9. -4y
10. -3m²n²
11. a³
12. x⁴
13. y⁵
14. p
15. -x³
16. y
9.
1. m²+2mn+n²
2. p²-2pq+a²
3. c²-2cd+d²
4. 24+8a+a²
5. 9-18b+b²
6. x²+10x+25
7. x²+2x+1
8. 9a²-18b+b²
9. 25z²+10t+t²
10. a²-8a+16
11. 9x²-12xy+4y²
12. 12a²-48ab+16b²
13. x⁴+2x²y+y²
14. x⁶+2x³+1
15. x⁴+2x²+1
8.
1. 2(x+y)
2. 5(m-n)
3. 5(2p-q)
4. 4(3c-2b)
5. 3(4b-3k)
6. 3(2a+3b)
7. a(x-y)
8. n(m+1)
9. c(d-b)
10. b(a+1)
11. m(x-1)
12. -a(2+5t)
13. 6(a-2)
14. 4(x-2)
15. 5(1-y)
20
1. (x+y)(a+b)
2. (a+3)(x+y)
3. (x-4)(a+y)
4. (k+m)(m-k)
5. (a-b)(3a-2b)
6. (y+z)(5x-4y)
7. (p-3)(6m+3n)
8. 7(p-q)(3p-3q)
9. (a-b)(x-y)
10. (m-n)(a-b)
11. (y-x)(p+q)
12. (x-3)(2m+5n)
13. -a²bx²+2a²bx-a²b
14. m(a-2)(m-1)
15. (x-3)(5+a)
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