Վարժություն (1-9)1/9/6/11

1)6. 7x²-6x-5x²+3x=x-(2x-3)

7. 6x+5-8y-3+5y-4x=2x+2-3y

8. 5ab-4a+6b+8a-2b+3ab=20a²b+4b+8a+3ab

9. 6a+7b-5c-4b+2a+c-5b-6a+2c=8a+7b-20bc+c

10. 5m-9+3n-7m+4n-5n-3m=-5m+2n

11. 8-7a-6ab+5b+10a+4ab-4a-11b-3=5-a-2ab-6b

2)6. 5b+(-3b-2c)+(b+4c)=3b+2c

7. (3k-6n)+(-2k+6n)=3k-6n-2kt+6nt

8. (4x+3)+(7-2x)=2(x+5)

9. (10x³-4x²)-(2x²-5x³)=6x²*(5x-2)

10. 5a³b²-9b⁴-(3a³b²-4b⁴)=b²*(2a³-5b²)

11. 4x²y-(3xy²+5x²y)+12xy²=xy*(-x+9y)

3)6. 2ab-7(a-2b), a=6, b=2

7. a(2b+5c)-4b(a-3c), a=-3, b=5, c=-4

8. 4(3-m)+2(n+1)-3(5-k)-11, m=7, n=4, k=8

9. (4-x)(2y+1)-(3y-2)(4x+3)-35, x=6, y=0

10. (2a-3b-4c)(c+2b-3a), a=-3, b=4, c=-5

11. 3x(5-3y)+2y(2x-1)-x+7y-9, x=2, y=5

4)6. c²*c⁵*c⁴=c¹¹

7. pⁿ*p²=p²ⁿ

8. xⁿ *x^k*x³=x^3nk

9. yⁿ⁺²*y³=y⁵ⁿ

10. z²ⁿ⁺³*z^n-5=⁵ⁿ

11. 3a²*5a⁴=15a⁶

5)6. (-5x+3y)*2x=10x²+6xy

7. (3a-4b+5c)*(-2)=-6a+8b-10c

8. x³(x²+x-2)=x⁵+x⁴-2x³

9. (3y²+4y-1)*(-5y⁶)=-5y⁶*(3y²+4y-1)

10. 4a³(2a²-5a-3)=8a⁵-20a⁴-12a³

11. (-4z⁵+2z²-10z)*2z³=(2z²+10z²²*z

6)6. (7z-3)(5z-2)=35z²-29z+6

7. (2-4x)(1-3x)=12x²-10x+2

8. (3-2x)(5x+1)=-10x²+13x+3

9. (4b-5c)(3b+4c)=12b²+bz-20c²

10. (2x-5y)(3x-2y)=6x²-19xy+10y²

11. (4a²+5b²)(3a²-4b²)=12a⁴-a²b²-20b⁴

7) 6. (x³)⁷=x²¹

7. (-y¹⁵)³=-y⁴⁶⁵

8. (b⁶)²=b¹²

9. (z³)ⁿ=z³ⁿ

10. (y^k)⁵=y^5k

11. (x_­­­²ⁿ)⁸=x¹⁶ⁿ

8)6. 8ab:4b=2ab²

7. 15xy:(-3x)=-5y

8. 9abc:6bc=ab²c²

9. 8xyz:(-2xz)=-4y

10. (-12mn):4mn=-3m²n²

11. a⁸:a⁵=a³

9)6. (x+5)²=x²+10x+25

7. (x+1)²=(x-1)*(x+3)

8. (3a-b)²=9a²-6ab+b²

9. (5z+t)²=25z²+10tz+t²

10.(a-4)²=a²-8a+16                                                     

11. (3x-2y)²=9x²+12xy+4y²