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26 June, 07:16

What is the product?

(-2x-9y2) (-4x-3)

-8x2-Bx-36 xy2 - 27y2

-14x2 - 36 xy2 + 27y2

8x² + 6x+36xy2 + 27y2

14x2+36 xy2 + 27y2

+3
Answers (1)
  1. 26 June, 08:26
    0
    8x² + 6x+36xy² + 27y²

    Step-by-step explanation:

    Expand the following:

    (-2 x - 9 y^2) (-4 x - 3)

    (-9 y^2 - 2 x) (-4 x - 3) = (-9 y^2) (-4 x) + (-9 y^2) (-3) + (-2 x) (-4 x) + (-2 x) (-3):

    -9 (-4) y^2 x - 3 (-9) y^2 - 2 (-4) x x - 3 (-2) x

    -9 (-4) = 36:

    36 y^2 x - 3 (-9) y^2 - 2 (-4) x x - 3 (-2) x

    -3 (-9) = 27:

    36 y^2 x + 27 y^2 - 2 (-4) x x - 3 (-2) x

    -2 x (-4) x = - 2 x^2 (-4):

    36 y^2 x + 27 y^2 + - 2 (-4) x^2 - 3 (-2) x

    -2 (-4) = 8:

    36 y^2 x + 27 y^2 + 8 x^2 - 3 (-2) x

    -3 (-2) = 6:

    Answer: 36 y^2 x + 27 y^2 + 8 x^2 + 6 x
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