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Stєpʜ
Lv 6
Stєpʜ asked in Science & MathematicsMathematics · 6 years ago

I need help with factoring?

1. 49p^2 + 70p + 25

2. 6m^2 +13m + 5

3. (x-7)^2 - 25

Thank you

2 Answers

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  • Robert
    Lv 7
    6 years ago
    Favorite Answer

    1. 49 = 7^2 and 25 = 5^2; 70 = 2*7*5,

    so this is a perfect square: (7p + 5)^2

    2. Trial and error yields (3m + 5)(2m + 1)

    3. multiply out and you get x^2 - 14x + 24

    = (x - 12)(x - 2)

  • JOS J
    Lv 7
    6 years ago

    1) (5 + 7 p)^2

    2) (1 + 2 m) (5 + 3 m)

    3) (-12 + x) (-2 + x)

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