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Simplify the Expressions

1) -4(3x-3) + 9(x+1)= -3x21
2) -9x(5x+4)+10(x+3)= -45x-26 x+3
3) n(1+ 10n)-n(4n-3)= 4n+6n
4) -2n(-8n-10)-6(-10n-3)= 96n - 10
5) 8(-4x-7)+3(9-9x)= 59x - 29
6) 9(3-10n)-3(10n+1)= 30n - 3
7) -4(1-8x)-9(-10x-1)= -58 - 5

  • math -

    wow, can you at least do one, so I can see where you problem lies ?

  • math -

    I did, just want you to check my answer

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