MATH!!!!

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These are the last three quetions on my test and i really need the answers or help i have been trying for so long and don't understand them please help me!!!!!!!

1.) 5(2x+3)

2.) -3c-8+7c+10

3.) -5(x-1)+8x

  • MATH!!!! -

    The parentheses mean multiply.

    1.) 5(2x+3) = 10x + 15

    Combine like terms.

    2.) -3c-8+7c+10 = 4c + 2

    If you try to do number 3, we'll be glad to check your answer.

  • MATH!!!! -

    3.-5(x-1)+8x= 3x+5

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