Simplify 2(5(x+y)-2(3x+y)) and 5(3a-2a(3a+6b)+6a^2)

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The expressions 2(5(x+y)-2(3x+y)) and 5(3a-2a(3a+6b)+6a^2) have to be simplified.

2(5(x+y)-2(3x+y))

= 2(5x+5y-6x-2y)

= 2(-x+3y)

= -2x + 6y

5(3a-2a(3a+6b)+6a^2)

= 5(3a-6a^2 - 12ab +6a^2)

= 5(3a - 12ab)

= 15a - 60ab

The simplified form of 2(5(x+y)-2(3x+y)) = -2x + 6y and 5(3a-2a(3a+6b)+6a^2)= 15a - 60ab

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