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. x*xk*x3=x3nk

9. yn+2*y3=y5n

10. z2n+3*zn-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. (yk)5=y5k

11. (x­­­2n)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

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