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Math Help - word problem

  1. #1
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    word problem

    Hi, i had these 2 problems ,
    1.The sum of a number and its square is 42.Find the number
    2.One number exceeds another number by 9, and theirs products is 112, find the numbers.
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  2. #2
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    Quote Originally Posted by Panaboy
    Hi, i had these 2 problems ,
    1.The sum of a number and its square is 42.Find the number
    2.One number exceeds another number by 9, and theirs products is 112, find the numbers.
    For #1, Call this number x. How can you write that x plus the square of x is equal to 42? (Big hint)
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  3. #3
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    2.One number exceeds another number by 9, and theirs products is 112, find the numbers.

    Set up 2 equations with 2 unknowns:

    eq1: x+9=y
    eq2: x*y=112

    Can you take it from there?
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