Fatoração: (3x+5).(x-2)+(3x+5)²?

Deixe os cálculos

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  • (3x+5).(x-2)+(3x+5)²=

    (3x+5).(x-2)+(3x+5).(3x+5) =

    (3x+5)(x-2 +3x+5) =

    (3x+5)(4x+3)

    ==================

  • 3x²-6x+5x-10+(3x+5)(3x+5)

    3x ² -x-10+9x²+15x+15x+25

    3x²+9x²-29x+15

    12x²-29x+15

    nao sei se ta certo mas espero ter ajudado algo

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