-
2.7x-(5x-5y)-y=__
3.23a3bc2-15ab2c+8abc-24a3bc2-8abc=__
4.-7x2+6x+13x2-4x-5x2=__
5.2y+(-2y+5)-(3y+2)=_
6.(2x2-3xy+4y2)+(x2+2xy-3y2)=_
7 Silver contains 2a-(3a-2b+2)+(3a-4b-1)=
8.-6x2-7x2+15x2-2x2=__
9.2x-(x+3y)-(x-y)-(x-y)=_
10.2x+2y-[3x-2(x-y)]=
11.5-(1-x)-1-(x-1)=_
12.( 4xy+7x2-y2)=10x2-xy.
13.(4xy2-2x2y)-(x3-2x2y+4xy2+y3.
14 Knowing a=x3-2x2+x-4, b=2x3-5x+3, calculate a+b=
15 Knowing a=x3-2x2+x-4, b=2x3-5x+3, calculate a-b=
16 If a=, b=, algebraic formula-(|a2b|-|ab2|) is a value
17 Subtracting 3m4-m3-2m+5 from a polynomial yields -2m4-3m3-2m2-1, then this multi-term is equal to the chain formula
18.-(2x2-y2)-[2y2-(x2+2xy)]=
19 If -3a3b2 and 5ax-1by+2 are homogeneous, then x= y=
20.(-y+6+3y4-y3)-(2y2-3y3+y4-7)=_
-
2.7x-(5x-5y)-y=___
3.23a3bc2-15ab2c+8abc-24a3bc2-8abc=___
4.-7x2+6x+13x2-4x-5x2=___
5.2y+(-2y+5)-(3y+2)=_
6.(2x2-3xy+4y2)+(x2+2xy-3y2)=___
7.2a-(3a-2b+2)+(3a-4b-1)=___
8.-6x2-7x2+15x2-2x2=__
9.2x-(x+3y)-(x-y)-(x-y)=_
10.2x+2y-[3x-2(x-y)]=___
11.5-(1-x)-1-(x-1)=___
12.( 4xy+7x2-y2)=10x2-xy.
13.(4xy2-2x2y)-(=x3-2x2y+4xy2+y3.
14 Knowing a=x3-2x2+x-4, b=2x3-5x+3, calculate a+b=
15 Knowing a=x3-2x2+x-4, b=2x3-5x+3, calculate a-b=
16 If a=, b=, algebraic formula-(|a2b|-|ab2|) is a value
17 Subtracting 3m4-m3-2m+5 from a polynomial gives -2m4-3m3-2m2-1, then this polynomial is equal to
18.-(2x2-y2)-[2y2-(x2+2xy)]=___
19 If -3a3b2 and 5ax-1by+2 are homogeneous, then x= y=
20.(-y+6+3y4-y3)-(2y2-3y3+y4-7)=_
-
2.7x-(5x-5y)-y=___
3.23a3bc2-15ab2c+8abc-24a3bc2-8abc=___
4.-7x2+6x+13x2-4x-5x2=___
5.2y+(-2y+5)-(3y+2)=_
6.(2x2-3xy+4y2)+(x2+2xy-3y2)=___
7.2a-(3a-2b+2)+(3a-4b-1)=___
8.-6x2-7x2+15x2-2x2=__
9.2x-(x+3y)-(x-y)-(x-y)=_
10.2x+2y-[3x-2(x-y)]=___
11.5-(1-x)-1-(x-1)=___
12.( 4xy+7x2-y2)=10x2-xy.
13.(4xy2-2x2y)-(=x3-2x2y+4xy2+y3.
14 Knowing a=x3-2x2+x-4, b=2x3-5x+3, calculate a+b=
15 Knowing a=x3-2x2+x-4, b=2x3-5x+3, calculate a-b=
16 If a=, b=, algebraic formula-(|a2b|-|ab2|) is a value
17 Subtracting 3m4-m3-2m+5 from a polynomial gives -2m4-3m3-2m2-1, then this polynomial =
18.-(2x2-y2)-[2y2-(x2+2xy)]=___
19 If -3a3b2 and 5ax-1by+2 are homogeneous, then x= y=
20.(-y+6+3y4-y3)-(2y2-3y3+y4-7)=_
1)2x+xx+3=1
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Lens 1: Observation and Reflection.
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