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math

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Simplify: (4x + 5)(4x2 + x - 4)

  • math -

    use the distributive property

    = 16x^2 + 4x^2 - 16x + 20x^2 + 5x - 20

    collect all like terms and simplify

  • math -

    16x+8x+4x^2-16x+20+10+5x-20therefore 4x^2+8x+5x+10 4x^2+13x+10

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