Mathematics

8th

grade

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Descompuneri in factori(cu formule de calcul prescurtat) -PH

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Descompunand 4x2+12x+9 veti obtine:

    (2x+1)2

    (3x+1)2

    (2x+3)2

    (2x+3(2x-3)

  • 2. Multiple Choice
    20 seconds
    1 pt

    Descompunad 25x2-40x+16 veti obtine:

    (5x-8)2

    (5x-4)2

    (5x-2)2

    (5x-4)(5x+4)

  • 3. Multiple Choice
    20 seconds
    1 pt

    Restrângeți x2+8x+16x^2+8x+16   

     (x+4)2\left(x+4\right)^2  

     (x+8)2\left(x+8\right)^2  

     (x+2)2\left(x+2\right)^2  

     (x+16)2\left(x+16\right)^2  

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