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nameizmel
nameizmel asked in Science & MathematicsMathematics · 8 years ago

Multiply or divide as indicated.?

Multiply or divide as indicated.

(x^2+7x+10)/(x^2+4x+4)

*

(x^2+10x+6)/(x^2+13x+40)

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  • Anonymous
    8 years ago

    First problem:

    Factor both the numerator and denominator.

    Numerator: (x^2+7x+10)=(x+5)(x+2)

    Denominator: (x^2+4x+4)=(x+2)(x+2)

    Now we have: (x+5)(x+2)/(x+2)(x+2)

    (x+2)/(x+2)=1, so we can cancel that out, and are left with x+5/x+2, which is in simplest form

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