Question

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Answer 1

a)12y-4y²+10y+2y²

22y-2y²

b)30-6a+20-11a

50-17a

c)15ab+20ab-6a+10a

35ab+4a

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Answer 2

Answer:

a) 22 Y - 2 y²

b) 50 - 17a

c) 35 a b + 4A

Step-by-step explanation:

a) (12y + 10y) + ( -4y² +2y²)

22y + ( -2y²)

b) ( 30 + 20) +( -6a - 11a)

50 + ( -17a)

c) ( 15ab + 20ab ) + ( -6a +10a)

35ab + ( 4a)