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EmmaH

  • 3 years ago

how do i solve this? Factor: x2 + 20x + 100

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  1. Zelda
    • 3 years ago
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    Well, you have to factor it, what two numbers multiply to 100 and add to 20?

  2. rosedewittbukater
    • 3 years ago
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    You have to find 2 number that multiply to become 100 and add up to equal 20. So 10x10=100, and 10+10=20. So use those and separate the equation into (x+10)(x+10). Since they are both x+10, you could either use that new expression or use (x+10)^2

  3. EmmaH
    • 3 years ago
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    oh ok i remember how to find it *facepalm thanks guys!

  4. Zelda
    • 3 years ago
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    No problem, hope it helped.

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