Question

factoring:

bx+by-cy-cx=

ab+a-b-1=

xy+2x+y+2=

2rs+s+2r+1=

2ny+2nz-y-z=

please help me

Answer 1

1. bx+by-cy-cx

or, b(x+y) -c(y+x)

or, b(x+y) -c(x+y)

or, (b-c)(x+y)

2. ab+a-b-1

or, a(b+1) -1(b+1)

or, (a-1) (b+1)

3. xy+2x+y+2

or,x(y+2)+1(y+2)

or,(x+1)(y+2)

4. 2rs+s+2r+1

or,s(2r+1)+1(2r+1)

or,(s+1)(2r+1)

5. 2ny+2nz-y-z

or,2n(y+z)-1(y+z)

or,(2n-1)(y+z)

it helps...

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