Math, asked by nelinipathirana8a, 1 month ago

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Answers

Answered by aadilshakul
1

Answer:

Step-by-step explanation:

1) -(y+1) -3(y+2)

-y-1-3y-2

-4y-3=0

-4y=3

y=-3/4

2) -3(y-2) -3(6-y)

-3y+6-18+3y

y=0

3) -(2-a) -3(a+8)

-2+a-3a-18

-2a-20=0

-2a=20

a=20/-2

a=-10

4) -x(x+3) -2x(1-x)

-x²-3x-2x+2x²

x²-5x=0

x²=5x

5) a(a+6) -a(a+2)

a²+6a-a²-2a=0

4a=0

a=0/4=0

6) a(2a-1) -a(6-a)

2a²-a-6a+a²

3a²-7a=0

3a²=7a

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