Anthonyserved123 Anthonyserved123

09-02-2021
Mathematics

contestada

[tex](5x+4) (x-7) =0[/tex]

Respuesta :

epicman00900 epicman00900

09-02-2021

expand the brackets
5x^2 -35x + 4x - 28
Simplify
5x^2 - 31x -28
a=5 b=-31 c=-28
Use these in the quadratic formula and do the equation whith both plus and minus
x=7 and x=-0.8

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