deontesbey deontesbey

09-06-2022
Mathematics

contestada

Factor completely.
7x²+28r-35 =

Respuesta :

loneguy loneguy

09-06-2022

[tex]7x^2 +28x -35 \\\\=7(x^2 +4x - 5)\\\\=7(x^2 +5x -x -5)\\\\=7\left[ x(x+5) -(x+5) \right]\\\\=7(x-1)(x+5)[/tex]

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